1396206340

素因数分解:

$2^2\times 5^1\times {\mathrm{2473}}^1\times {\mathrm{28229}}^1$

素因数の和:30711

約数の個数: 24

約数和(自身を含む): 2933322840

約数和(自身を除く): 1537116500

約数列:

[1, 2, 4, 5, 10, 20, 2473, 4946, 9892, 12365, 24730, 28229, 49460, 56458, 112916, 141145, 282290, 564580, 69810317, 139620634, 279241268, 349051585, 698103170, 1396206340]

約数ペア:

[(1, 1396206340), (2, 698103170), (4, 349051585), (5, 279241268), (10, 139620634), (20, 69810317), (2473, 564580), (4946, 282290), (9892, 141145), (12365, 112916), (24730, 56458), (28229, 49460)]