1397740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4111}}^1$

素因数の和:4137

約数の個数: 24

約数和(自身を含む): 3108672

約数和(自身を除く): 1710932

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 4111, 8222, 16444, 20555, 41110, 69887, 82220, 139774, 279548, 349435, 698870, 1397740]

約数ペア:

[(1, 1397740), (2, 698870), (4, 349435), (5, 279548), (10, 139774), (17, 82220), (20, 69887), (34, 41110), (68, 20555), (85, 16444), (170, 8222), (340, 4111)]