70857980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{82393}}^1$

素因数の和:82445

約数の個数: 24

約数和(自身を含む): 152264112

約数和(自身を除く): 81406132

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 82393, 164786, 329572, 411965, 823930, 1647860, 3542899, 7085798, 14171596, 17714495, 35428990, 70857980]

約数ペア:

[(1, 70857980), (2, 35428990), (4, 17714495), (5, 14171596), (10, 7085798), (20, 3542899), (43, 1647860), (86, 823930), (172, 411965), (215, 329572), (430, 164786), (860, 82393)]