31690820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4271}}^1$

素因数の和:4340

約数の個数: 48

約数和(自身を含む): 77511168

約数和(自身を除く): 45820348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 4271, 7420, 8542, 17084, 21355, 29897, 42710, 59794, 85420, 119588, 149485, 226363, 298970, 452726, 597940, 905452, 1131815, 1584541, 2263630, 3169082, 4527260, 6338164, 7922705, 15845410, 31690820]

約数ペア:

[(1, 31690820), (2, 15845410), (4, 7922705), (5, 6338164), (7, 4527260), (10, 3169082), (14, 2263630), (20, 1584541), (28, 1131815), (35, 905452), (53, 597940), (70, 452726), (106, 298970), (140, 226363), (212, 149485), (265, 119588), (371, 85420), (530, 59794), (742, 42710), (1060, 29897), (1484, 21355), (1855, 17084), (3710, 8542), (4271, 7420)]