30781390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{10651}}^1$

素因数の和:10692

約数の個数: 24

約数和(自身を含む): 58862952

約数和(自身を除く): 28081562

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 10651, 21302, 53255, 106510, 181067, 362134, 905335, 1810670, 3078139, 6156278, 15390695, 30781390]

約数ペア:

[(1, 30781390), (2, 15390695), (5, 6156278), (10, 3078139), (17, 1810670), (34, 905335), (85, 362134), (170, 181067), (289, 106510), (578, 53255), (1445, 21302), (2890, 10651)]