142189820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1637}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 308756448

約数和(自身を除く): 166566628

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 172, 202, 215, 404, 430, 505, 860, 1010, 1637, 2020, 3274, 4343, 6548, 8185, 8686, 16370, 17372, 21715, 32740, 43430, 70391, 86860, 140782, 165337, 281564, 330674, 351955, 661348, 703910, 826685, 1407820, 1653370, 3306740, 7109491, 14218982, 28437964, 35547455, 71094910, 142189820]

約数ペア:

[(1, 142189820), (2, 71094910), (4, 35547455), (5, 28437964), (10, 14218982), (20, 7109491), (43, 3306740), (86, 1653370), (101, 1407820), (172, 826685), (202, 703910), (215, 661348), (404, 351955), (430, 330674), (505, 281564), (860, 165337), (1010, 140782), (1637, 86860), (2020, 70391), (3274, 43430), (4343, 32740), (6548, 21715), (8185, 17372), (8686, 16370)]