216729100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{757}}^1$

素因数の和:1187

約数の個数: 72

約数和(自身を含む): 539514080

約数和(自身を除く): 322784980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 409, 700, 757, 818, 1514, 1636, 2045, 2863, 3028, 3785, 4090, 5299, 5726, 7570, 8180, 10225, 10598, 11452, 14315, 15140, 18925, 20450, 21196, 26495, 28630, 37850, 40900, 52990, 57260, 71575, 75700, 105980, 132475, 143150, 264950, 286300, 309613, 529900, 619226, 1238452, 1548065, 2167291, 3096130, 4334582, 6192260, 7740325, 8669164, 10836455, 15480650, 21672910, 30961300, 43345820, 54182275, 108364550, 216729100]

約数ペア:

[(1, 216729100), (2, 108364550), (4, 54182275), (5, 43345820), (7, 30961300), (10, 21672910), (14, 15480650), (20, 10836455), (25, 8669164), (28, 7740325), (35, 6192260), (50, 4334582), (70, 3096130), (100, 2167291), (140, 1548065), (175, 1238452), (350, 619226), (409, 529900), (700, 309613), (757, 286300), (818, 264950), (1514, 143150), (1636, 132475), (2045, 105980), (2863, 75700), (3028, 71575), (3785, 57260), (4090, 52990), (5299, 40900), (5726, 37850), (7570, 28630), (8180, 26495), (10225, 21196), (10598, 20450), (11452, 18925), (14315, 15140)]