28305458890

素因数分解:

$2^1\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{1430291}}^1$

素因数の和:1432277

約数の個数: 16

約数和(自身を含む): 50975606880

約数和(自身を除く): 22670147990

約数列:

[1, 2, 5, 10, 1979, 3958, 9895, 19790, 1430291, 2860582, 7151455, 14302910, 2830545889, 5661091778, 14152729445, 28305458890]

約数ペア:

[(1, 28305458890), (2, 14152729445), (5, 5661091778), (10, 2830545889), (1979, 14302910), (3958, 7151455), (9895, 2860582), (19790, 1430291)]