490628740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3504491}}^1$

素因数の和:3504507

約数の個数: 24

約数和(自身を含む): 1177509312

約数和(自身を除く): 686880572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3504491, 7008982, 14017964, 17522455, 24531437, 35044910, 49062874, 70089820, 98125748, 122657185, 245314370, 490628740]

約数ペア:

[(1, 490628740), (2, 245314370), (4, 122657185), (5, 98125748), (7, 70089820), (10, 49062874), (14, 35044910), (20, 24531437), (28, 17522455), (35, 14017964), (70, 7008982), (140, 3504491)]