200038900

素因数分解:

$2^2\times 5^2\times {\mathrm{2000389}}^1$

素因数の和:2000403

約数の個数: 18

約数和(自身を含む): 434084630

約数和(自身を除く): 234045730

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2000389, 4000778, 8001556, 10001945, 20003890, 40007780, 50009725, 100019450, 200038900]

約数ペア:

[(1, 200038900), (2, 100019450), (4, 50009725), (5, 40007780), (10, 20003890), (20, 10001945), (25, 8001556), (50, 4000778), (100, 2000389)]