72112900

素因数分解:

$2^2\times 5^2\times {\mathrm{721129}}^1$

素因数の和:721143

約数の個数: 18

約数和(自身を含む): 156485210

約数和(自身を除く): 84372310

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 721129, 1442258, 2884516, 3605645, 7211290, 14422580, 18028225, 36056450, 72112900]

約数ペア:

[(1, 72112900), (2, 36056450), (4, 18028225), (5, 14422580), (10, 7211290), (20, 3605645), (25, 2884516), (50, 1442258), (100, 721129)]