90203870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{1151}}^1$

素因数の和:1636

約数の個数: 32

約数和(自身を含む): 172440576

約数和(自身を除く): 82236706

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 461, 922, 1151, 2302, 2305, 4610, 5755, 7837, 11510, 15674, 19567, 39134, 39185, 78370, 97835, 195670, 530611, 1061222, 2653055, 5306110, 9020387, 18040774, 45101935, 90203870]

約数ペア:

[(1, 90203870), (2, 45101935), (5, 18040774), (10, 9020387), (17, 5306110), (34, 2653055), (85, 1061222), (170, 530611), (461, 195670), (922, 97835), (1151, 78370), (2302, 39185), (2305, 39134), (4610, 19567), (5755, 15674), (7837, 11510)]