870816140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{342841}}^1$

素因数の和:342977

約数の個数: 24

約数和(自身を含む): 1843118592

約数和(自身を除く): 972302452

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 342841, 685682, 1371364, 1714205, 3428410, 6856820, 43540807, 87081614, 174163228, 217704035, 435408070, 870816140]

約数ペア:

[(1, 870816140), (2, 435408070), (4, 217704035), (5, 174163228), (10, 87081614), (20, 43540807), (127, 6856820), (254, 3428410), (508, 1714205), (635, 1371364), (1270, 685682), (2540, 342841)]