{"id":300,"date":"2025-10-08T05:00:00","date_gmt":"2025-10-07T20:00:00","guid":{"rendered":"https:\/\/yamamath.org\/?p=300"},"modified":"2025-09-12T15:52:15","modified_gmt":"2025-09-12T06:52:15","slug":"1108_%e3%80%8c%e3%83%8a%e3%83%ab%e3%82%b7%e3%82%b7%e3%82%b9%e3%83%88%e6%95%b0%e3%80%8d","status":"publish","type":"post","link":"https:\/\/yamamath.org\/?p=300","title":{"rendered":"1108_\u300c\u30ca\u30eb\u30b7\u30b7\u30b9\u30c8\u6570\u300d"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"260\" src=\"https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30ca\u30eb\u30b7\u30b7\u30b9\u30c8\u6570\uff08narcissistic-number\uff09.jpg\" alt=\"\" class=\"wp-image-301\" srcset=\"https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30ca\u30eb\u30b7\u30b7\u30b9\u30c8\u6570\uff08narcissistic-number\uff09.jpg 800w, https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30ca\u30eb\u30b7\u30b7\u30b9\u30c8\u6570\uff08narcissistic-number\uff09-300x98.jpg 300w, https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30ca\u30eb\u30b7\u30b7\u30b9\u30c8\u6570\uff08narcissistic-number\uff09-768x250.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u3000s-800 \u30ca\u30eb\u30b7\u30b7\u30b9\u30c8\u6570\uff08narcissistic number\uff09.jpg<br>\u3000&#8212;&#8211; * &#8212;&#8211; * &#8212;&#8211;<\/p>\n\n\n\n<p>\u3000\u300c10,000 \u672a\u6e80\u306e\u6b63\u306e\u6574\u6570\u306e\u3046\u3061\u3001\u6839\u53f7\u30ca\u30eb\u30b7\u30b7\u30ba\u30e0\u6570\u306f 14 \u500b\u3060\u3051\u300d\u3067\u3042\u308b\u3053\u3068\u306f \u300c1092_Futility Closet\u300d\u306b\u4e00\u89a7\u3092\u8f09\u305b\u307e\u3057\u305f\u3002\u3010\u6839\u53f7\uff08\u30eb\u30fc\u30c8\u8a18\u53f7\uff09\u3011\u3092\u7528\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000&#8212;&#8211; * &#8212;&#8211; * &#8212;&#8211;<\/p>\n\n\n\n<p>\u3000\u30cb\u30c3\u30bb\u30a4\u57fa\u790e\u7814\u7a76\u6240\u306b\u300e\u7814\u7a76\u54e1\u306e\u773c\u300f\u3068\u3044\u3046\u30ec\u30dd\u30fc\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<br>\u300c\u535a\u58eb\u306e\u611b\u3057\u305f\u6570\u5f0f\u300d\u3067\u51fa\u3066\u304d\u305f\u300c\u5b8c\u5168\u6570\u300d\u3084\u300c\u53cb\u611b\u6570\u300d\u3068\u3044\u3046\u8208\u5473\u6df1\u3044\u6570\u5b57\u306e\u6982\u5ff5\u304c\u7d39\u4ecb\u3055\u308c\u305f\u308a\u3057\u3066\u3044\u307e\u3059\u304c\uff0c\u300c\u30ca\u30eb\u30b7\u30b7\u30b9\u30c8\u6570\u300d\u306b\u3064\u3044\u3066\u306e\u7d39\u4ecb\u3082\u8f09\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u3010\u6839\u53f7\u3011\u3092\u4f7f\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3000\u3000153 = 1^3 + 5^3 + 3^3,<\/p>\n\n\n\n<p>\u3000\u30ec\u30dd\u30fc\u30c8\u306b\u306f\u5c0f\u3055\u306a\u65b9\u304b\u308920\u500b\u307b\u3069\u5217\u6319\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br>1, 2, 3, 4, 5, 6, 7, 8, 9, 153, 370, 371, 407, 1634, 8208, 9474, 54748, 92727, 93084,548834<\/p>\n\n\n\n<p>\u3000&#8212;&#8211; * &#8212;&#8211; * &#8212;&#8211;<\/p>\n\n\n\n<p>\u4f8b\u306b\u5023\u3063\u3066\u3084\u3063\u3066\u307f\u307e\u3059\u30fb\u30fb\u30fb<\/p>\n\n\n\n<p>\u3000370=3^3 + 7^3 + 0^3.<\/p>\n\n\n\n<p>\u3000371=3^3 + 7^3 + 1^3.<\/p>\n\n\n\n<p>\u3000407=4^3 + 0^3 + 7^3. \u78ba\u304b\u306b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u30006~3\u3067\u306f 1634 \u307e\u3067\u306f\u5c4a\u304d\u305d\u3046\u306b\u306a\u3044\u306e\u30674\u4e57\u306b\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30001634=1^4 + 6^4 + 3^4 + 4^4=1+1296+81+256=1634<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u8981\u9818\u306f\u5206\u304b\u3063\u3066\u304d\u307e\u3057\u305f\u304c\u3060\u3093\u3060\u3093\u5927\u5909\u306b\u306a\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000&#8212;&#8211; * &#8212;&#8211; * &#8212;&#8211;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"314\" src=\"https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30aa\u30f3\u30e9\u30a4\u30f3\u6574\u6570\u5217\u5927\u8f9e\u5178.jpg\" alt=\"\" class=\"wp-image-304\" srcset=\"https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30aa\u30f3\u30e9\u30a4\u30f3\u6574\u6570\u5217\u5927\u8f9e\u5178.jpg 800w, https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30aa\u30f3\u30e9\u30a4\u30f3\u6574\u6570\u5217\u5927\u8f9e\u5178-300x118.jpg 300w, https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30aa\u30f3\u30e9\u30a4\u30f3\u6574\u6570\u5217\u5927\u8f9e\u5178-768x301.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u3000s-800 \u30aa\u30f3\u30e9\u30a4\u30f3\u6574\u6570\u5217\u5927\u8f9e\u5178.jpg<\/p>\n\n\n\n<p>\u3000\u305d\u3053\u3067\u300c\u30aa\u30f3\u30e9\u30a4\u30f3\u6574\u6570\u5217\u5927\u8f9e\u5178\u300d\u3000https:\/\/oeis.org\/\u3000<\/p>\n\n\n\n<p>\u306b\u7e4b\u3044\u3067\u6570\u5217\u306e\u4f55\u9805\u304b(\u4f8b\u3048\u3070\u300e1634,8208\u300f)\u3092\u5165\u529b\u3059\u308b\u3068\u76f4\u3061\u306b\u691c\u7d22\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u540c\u3058\u30da\u30fc\u30b8\u306e EXAMPLE \u304b\u3089<\/p>\n\n\n\n<p>\u30008208 = 8^4 + 2^4 + 0^4 + 8^4,<\/p>\n\n\n\n<p>\u30004210818 = 4^7 + 2^7 + 1^7 + 0^7 + 8^7 + 1^7 + 8^7.<\/p>\n\n\n\n<p>\u306a\u3069\u3082\u5206\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000&#8212;&#8211; * &#8212;&#8211; * &#8212;&#8211;<\/p>\n\n\n\n<p>\u3000\u30ca\u30eb\u30b7\u30b7\u30c8\u6570\u304c\u6709\u9650\u500b\u3057\u304b\u5b58\u5728\u3057\u306a\u3044\uff0888\u500b\uff09\u3053\u3068\u304c\u6307\u6570\u95a2\u6570\u30681\u6b21\u95a2\u6570\u306e\u5897\u52a0\u901f\u5ea6\u306e\u9055\u3044\u306b\u3088\u3063\u3066\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3000s-800 \u30ca\u30eb\u30b7\u30b7\u30c8\u6570_88\u500b\u6700\u5927\u306f.jpg<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"213\" src=\"https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30ca\u30eb\u30b7\u30b7\u30c8\u6570_88\u500b\u6700\u5927\u306f.jpg\" alt=\"\" class=\"wp-image-303\" srcset=\"https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30ca\u30eb\u30b7\u30b7\u30c8\u6570_88\u500b\u6700\u5927\u306f.jpg 800w, https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30ca\u30eb\u30b7\u30b7\u30c8\u6570_88\u500b\u6700\u5927\u306f-300x80.jpg 300w, https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30ca\u30eb\u30b7\u30b7\u30c8\u6570_88\u500b\u6700\u5927\u306f-768x204.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u3000\u307e\u305f\u30ca\u30eb\u30b7\u30b7\u30b9\u30c8\u6570\u3068\u4f3c\u305f\u300c\u30df\u30e5\u30f3\u30d2\u30cf\u30a6\u30bc\u30f3\u6570\u300d\u306b\u3064\u3044\u3066\u3082\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3000s-800 \u30df\u30e5\u30f3\u30d2\u30cf\u30a6\u30bc\u30f3\u6570.jpg<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"247\" src=\"https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30df\u30e5\u30f3\u30d2\u30cf\u30a6\u30bc\u30f3\u6570.jpg\" alt=\"\" class=\"wp-image-302\" srcset=\"https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30df\u30e5\u30f3\u30d2\u30cf\u30a6\u30bc\u30f3\u6570.jpg 800w, https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30df\u30e5\u30f3\u30d2\u30cf\u30a6\u30bc\u30f3\u6570-300x93.jpg 300w, https:\/\/yamamath.org\/wp-content\/uploads\/2025\/09\/s-800-\u30df\u30e5\u30f3\u30d2\u30cf\u30a6\u30bc\u30f3\u6570-768x237.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u3010\u6570\u5b66\u306e\u8a71\u984c\u3011<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3000s-800 \u30ca\u30eb\u30b7\u30b7\u30b9\u30c8\u6570\uff08narcissistic number\uff09.jpg\u3000&#8212;&#8211; * &#8212;&#8211; * &#8212;&#8211; \u3000\u300c10,000 \u672a\u6e80\u306e\u6b63\u306e\u6574\u6570\u306e\u3046\u3061\u3001\u6839 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-300","post","type-post","status-publish","format-standard","hentry","category-4"],"_links":{"self":[{"href":"https:\/\/yamamath.org\/index.php?rest_route=\/wp\/v2\/posts\/300","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yamamath.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yamamath.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yamamath.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yamamath.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=300"}],"version-history":[{"count":1,"href":"https:\/\/yamamath.org\/index.php?rest_route=\/wp\/v2\/posts\/300\/revisions"}],"predecessor-version":[{"id":305,"href":"https:\/\/yamamath.org\/index.php?rest_route=\/wp\/v2\/posts\/300\/revisions\/305"}],"wp:attachment":[{"href":"https:\/\/yamamath.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yamamath.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yamamath.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}