495940

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 1054872

約数和(自身を除く): 558932

約数列:

[1, 2, 4, 5, 10, 20, 137, 181, 274, 362, 548, 685, 724, 905, 1370, 1810, 2740, 3620, 24797, 49594, 99188, 123985, 247970, 495940]

約数ペア:

[(1, 495940), (2, 247970), (4, 123985), (5, 99188), (10, 49594), (20, 24797), (137, 3620), (181, 2740), (274, 1810), (362, 1370), (548, 905), (685, 724)]