488740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3491}}^1$

素因数の和:3507

約数の個数: 24

約数和(自身を含む): 1173312

約数和(自身を除く): 684572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3491, 6982, 13964, 17455, 24437, 34910, 48874, 69820, 97748, 122185, 244370, 488740]

約数ペア:

[(1, 488740), (2, 244370), (4, 122185), (5, 97748), (7, 69820), (10, 48874), (14, 34910), (20, 24437), (28, 17455), (35, 13964), (70, 6982), (140, 3491)]