200200900

素因数分解:

$2^2\times 5^2\times {\mathrm{2002009}}^1$

素因数の和:2002023

約数の個数: 18

約数和(自身を含む): 434436170

約数和(自身を除く): 234235270

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2002009, 4004018, 8008036, 10010045, 20020090, 40040180, 50050225, 100100450, 200200900]

約数ペア:

[(1, 200200900), (2, 100100450), (4, 50050225), (5, 40040180), (10, 20020090), (20, 10010045), (25, 8008036), (50, 4004018), (100, 2002009)]