2490740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17791}}^1$

素因数の和:17807

約数の個数: 24

約数和(自身を含む): 5978112

約数和(自身を除く): 3487372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 17791, 35582, 71164, 88955, 124537, 177910, 249074, 355820, 498148, 622685, 1245370, 2490740]

約数ペア:

[(1, 2490740), (2, 1245370), (4, 622685), (5, 498148), (7, 355820), (10, 249074), (14, 177910), (20, 124537), (28, 88955), (35, 71164), (70, 35582), (140, 17791)]