205516400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{30223}}^1$

素因数の和:30258

約数の個数: 60

約数和(自身を含む): 522814752

約数和(自身を除く): 317298352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 30223, 60446, 120892, 151115, 241784, 302230, 483568, 513791, 604460, 755575, 1027582, 1208920, 1511150, 2055164, 2417840, 2568955, 3022300, 4110328, 5137910, 6044600, 8220656, 10275820, 12089200, 12844775, 20551640, 25689550, 41103280, 51379100, 102758200, 205516400]

約数ペア:

[(1, 205516400), (2, 102758200), (4, 51379100), (5, 41103280), (8, 25689550), (10, 20551640), (16, 12844775), (17, 12089200), (20, 10275820), (25, 8220656), (34, 6044600), (40, 5137910), (50, 4110328), (68, 3022300), (80, 2568955), (85, 2417840), (100, 2055164), (136, 1511150), (170, 1208920), (200, 1027582), (272, 755575), (340, 604460), (400, 513791), (425, 483568), (680, 302230), (850, 241784), (1360, 151115), (1700, 120892), (3400, 60446), (6800, 30223)]