290804570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{8461}}^1$

素因数の和:8966

約数の個数: 32

約数和(自身を含む): 599515776

約数和(自身を除く): 308711206

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 491, 982, 2455, 3437, 4910, 6874, 8461, 16922, 17185, 34370, 42305, 59227, 84610, 118454, 296135, 592270, 4154351, 8308702, 20771755, 29080457, 41543510, 58160914, 145402285, 290804570]

約数ペア:

[(1, 290804570), (2, 145402285), (5, 58160914), (7, 41543510), (10, 29080457), (14, 20771755), (35, 8308702), (70, 4154351), (491, 592270), (982, 296135), (2455, 118454), (3437, 84610), (4910, 59227), (6874, 42305), (8461, 34370), (16922, 17185)]