31663940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:765

約数の個数: 96

約数和(自身を含む): 85881600

約数和(自身を除く): 54217660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 110, 116, 140, 145, 154, 203, 220, 290, 308, 319, 385, 406, 580, 638, 709, 770, 812, 1015, 1276, 1418, 1540, 1595, 2030, 2233, 2836, 3190, 3545, 4060, 4466, 4963, 6380, 7090, 7799, 8932, 9926, 11165, 14180, 15598, 19852, 20561, 22330, 24815, 31196, 38995, 41122, 44660, 49630, 54593, 77990, 82244, 99260, 102805, 109186, 143927, 155980, 205610, 218372, 226171, 272965, 287854, 411220, 452342, 545930, 575708, 719635, 904684, 1091860, 1130855, 1439270, 1583197, 2261710, 2878540, 3166394, 4523420, 6332788, 7915985, 15831970, 31663940]

約数ペア:

[(1, 31663940), (2, 15831970), (4, 7915985), (5, 6332788), (7, 4523420), (10, 3166394), (11, 2878540), (14, 2261710), (20, 1583197), (22, 1439270), (28, 1130855), (29, 1091860), (35, 904684), (44, 719635), (55, 575708), (58, 545930), (70, 452342), (77, 411220), (110, 287854), (116, 272965), (140, 226171), (145, 218372), (154, 205610), (203, 155980), (220, 143927), (290, 109186), (308, 102805), (319, 99260), (385, 82244), (406, 77990), (580, 54593), (638, 49630), (709, 44660), (770, 41122), (812, 38995), (1015, 31196), (1276, 24815), (1418, 22330), (1540, 20561), (1595, 19852), (2030, 15598), (2233, 14180), (2836, 11165), (3190, 9926), (3545, 8932), (4060, 7799), (4466, 7090), (4963, 6380)]