208102900

素因数分解:

$2^2\times 5^2\times {\mathrm{2081029}}^1$

素因数の和:2081043

約数の個数: 18

約数和(自身を含む): 451583510

約数和(自身を除く): 243480610

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2081029, 4162058, 8324116, 10405145, 20810290, 41620580, 52025725, 104051450, 208102900]

約数ペア:

[(1, 208102900), (2, 104051450), (4, 52025725), (5, 41620580), (10, 20810290), (20, 10405145), (25, 8324116), (50, 4162058), (100, 2081029)]