391015660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{3719}}^1$

素因数の和:4486

約数の個数: 48

約数和(自身を含む): 939939840

約数和(自身を除く): 548924180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 751, 1502, 3004, 3719, 3755, 5257, 7438, 7510, 10514, 14876, 15020, 18595, 21028, 26033, 26285, 37190, 52066, 52570, 74380, 104132, 105140, 130165, 260330, 520660, 2792969, 5585938, 11171876, 13964845, 19550783, 27929690, 39101566, 55859380, 78203132, 97753915, 195507830, 391015660]

約数ペア:

[(1, 391015660), (2, 195507830), (4, 97753915), (5, 78203132), (7, 55859380), (10, 39101566), (14, 27929690), (20, 19550783), (28, 13964845), (35, 11171876), (70, 5585938), (140, 2792969), (751, 520660), (1502, 260330), (3004, 130165), (3719, 105140), (3755, 104132), (5257, 74380), (7438, 52570), (7510, 52066), (10514, 37190), (14876, 26285), (15020, 26033), (18595, 21028)]