89643940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{757}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 195600384

約数和(自身を除く): 105956444

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 310, 382, 620, 757, 764, 955, 1514, 1910, 3028, 3785, 3820, 5921, 7570, 11842, 15140, 23467, 23684, 29605, 46934, 59210, 93868, 117335, 118420, 144587, 234670, 289174, 469340, 578348, 722935, 1445870, 2891740, 4482197, 8964394, 17928788, 22410985, 44821970, 89643940]

約数ペア:

[(1, 89643940), (2, 44821970), (4, 22410985), (5, 17928788), (10, 8964394), (20, 4482197), (31, 2891740), (62, 1445870), (124, 722935), (155, 578348), (191, 469340), (310, 289174), (382, 234670), (620, 144587), (757, 118420), (764, 117335), (955, 93868), (1514, 59210), (1910, 46934), (3028, 29605), (3785, 23684), (3820, 23467), (5921, 15140), (7570, 11842)]