391340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1151}}^1$

素因数の和:1177

約数の個数: 24

約数和(自身を含む): 870912

約数和(自身を除く): 479572

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1151, 2302, 4604, 5755, 11510, 19567, 23020, 39134, 78268, 97835, 195670, 391340]

約数ペア:

[(1, 391340), (2, 195670), (4, 97835), (5, 78268), (10, 39134), (17, 23020), (20, 19567), (34, 11510), (68, 5755), (85, 4604), (170, 2302), (340, 1151)]