4242740

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{691}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 8951712

約数和(自身を除く): 4708972

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 691, 1228, 1382, 1535, 2764, 3070, 3455, 6140, 6910, 13820, 212137, 424274, 848548, 1060685, 2121370, 4242740]

約数ペア:

[(1, 4242740), (2, 2121370), (4, 1060685), (5, 848548), (10, 424274), (20, 212137), (307, 13820), (614, 6910), (691, 6140), (1228, 3455), (1382, 3070), (1535, 2764)]