189800740

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{14759}}^1$

素因数の和:15411

約数の個数: 24

約数和(自身を含む): 399228480

約数和(自身を除く): 209427740

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 14759, 29518, 59036, 73795, 147590, 295180, 9490037, 18980074, 37960148, 47450185, 94900370, 189800740]

約数ペア:

[(1, 189800740), (2, 94900370), (4, 47450185), (5, 37960148), (10, 18980074), (20, 9490037), (643, 295180), (1286, 147590), (2572, 73795), (3215, 59036), (6430, 29518), (12860, 14759)]