99389780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{709927}}^1$

素因数の和:709943

約数の個数: 24

約数和(自身を含む): 238535808

約数和(自身を除く): 139146028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 709927, 1419854, 2839708, 3549635, 4969489, 7099270, 9938978, 14198540, 19877956, 24847445, 49694890, 99389780]

約数ペア:

[(1, 99389780), (2, 49694890), (4, 24847445), (5, 19877956), (7, 14198540), (10, 9938978), (14, 7099270), (20, 4969489), (28, 3549635), (35, 2839708), (70, 1419854), (140, 709927)]