868580

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 1843128

約数和(自身を除く): 974548

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 317, 548, 634, 685, 1268, 1370, 1585, 2740, 3170, 6340, 43429, 86858, 173716, 217145, 434290, 868580]

約数ペア:

[(1, 868580), (2, 434290), (4, 217145), (5, 173716), (10, 86858), (20, 43429), (137, 6340), (274, 3170), (317, 2740), (548, 1585), (634, 1370), (685, 1268)]