2201990900

素因数分解:

$2^2\times 5^2\times {\mathrm{22019909}}^1$

素因数の和:22019923

約数の個数: 18

約数和(自身を含む): 4778320470

約数和(自身を除く): 2576329570

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 22019909, 44039818, 88079636, 110099545, 220199090, 440398180, 550497725, 1100995450, 2201990900]

約数ペア:

[(1, 2201990900), (2, 1100995450), (4, 550497725), (5, 440398180), (10, 220199090), (20, 110099545), (25, 88079636), (50, 44039818), (100, 22019909)]