870401980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6217157}}^1$

素因数の和:6217173

約数の個数: 24

約数和(自身を含む): 2088965088

約数和(自身を除く): 1218563108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6217157, 12434314, 24868628, 31085785, 43520099, 62171570, 87040198, 124343140, 174080396, 217600495, 435200990, 870401980]

約数ペア:

[(1, 870401980), (2, 435200990), (4, 217600495), (5, 174080396), (7, 124343140), (10, 87040198), (14, 62171570), (20, 43520099), (28, 31085785), (35, 24868628), (70, 12434314), (140, 6217157)]