717740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2111}}^1$

素因数の和:2137

約数の個数: 24

約数和(自身を含む): 1596672

約数和(自身を除く): 878932

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2111, 4222, 8444, 10555, 21110, 35887, 42220, 71774, 143548, 179435, 358870, 717740]

約数ペア:

[(1, 717740), (2, 358870), (4, 179435), (5, 143548), (10, 71774), (17, 42220), (20, 35887), (34, 21110), (68, 10555), (85, 8444), (170, 4222), (340, 2111)]