989837740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{462541}}^1$

素因数の和:462657

約数の個数: 24

約数和(自身を含む): 2098090512

約数和(自身を除く): 1108252772

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 462541, 925082, 1850164, 2312705, 4625410, 9250820, 49491887, 98983774, 197967548, 247459435, 494918870, 989837740]

約数ペア:

[(1, 989837740), (2, 494918870), (4, 247459435), (5, 197967548), (10, 98983774), (20, 49491887), (107, 9250820), (214, 4625410), (428, 2312705), (535, 1850164), (1070, 925082), (2140, 462541)]