2189800

素因数分解:

$2^3\times 5^2\times {\mathrm{10949}}^1$

素因数の和:10965

約数の個数: 24

約数和(自身を含む): 5091750

約数和(自身を除く): 2901950

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 10949, 21898, 43796, 54745, 87592, 109490, 218980, 273725, 437960, 547450, 1094900, 2189800]

約数ペア:

[(1, 2189800), (2, 1094900), (4, 547450), (5, 437960), (8, 273725), (10, 218980), (20, 109490), (25, 87592), (40, 54745), (50, 43796), (100, 21898), (200, 10949)]