687119620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107699}}^1$

素因数の和:107748

約数の個数: 48

約数和(自身を含む): 1628424000

約数和(自身を除く): 941304380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 107699, 215398, 430796, 538495, 1076990, 1184689, 2153980, 2369378, 3123271, 4738756, 5923445, 6246542, 11846890, 12493084, 15616355, 23693780, 31232710, 34355981, 62465420, 68711962, 137423924, 171779905, 343559810, 687119620]

約数ペア:

[(1, 687119620), (2, 343559810), (4, 171779905), (5, 137423924), (10, 68711962), (11, 62465420), (20, 34355981), (22, 31232710), (29, 23693780), (44, 15616355), (55, 12493084), (58, 11846890), (110, 6246542), (116, 5923445), (145, 4738756), (220, 3123271), (290, 2369378), (319, 2153980), (580, 1184689), (638, 1076990), (1276, 538495), (1595, 430796), (3190, 215398), (6380, 107699)]