199117700

素因数分解:

$2^2\times 5^2\times {\mathrm{1991177}}^1$

素因数の和:1991191

約数の個数: 18

約数和(自身を含む): 432085626

約数和(自身を除く): 232967926

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1991177, 3982354, 7964708, 9955885, 19911770, 39823540, 49779425, 99558850, 199117700]

約数ペア:

[(1, 199117700), (2, 99558850), (4, 49779425), (5, 39823540), (10, 19911770), (20, 9955885), (25, 7964708), (50, 3982354), (100, 1991177)]