200420900

素因数分解:

$2^2\times 5^2\times {\mathrm{2004209}}^1$

素因数の和:2004223

約数の個数: 18

約数和(自身を含む): 434913570

約数和(自身を除く): 234492670

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2004209, 4008418, 8016836, 10021045, 20042090, 40084180, 50105225, 100210450, 200420900]

約数ペア:

[(1, 200420900), (2, 100210450), (4, 50105225), (5, 40084180), (10, 20042090), (20, 10021045), (25, 8016836), (50, 4008418), (100, 2004209)]