99991780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{714227}}^1$

素因数の和:714243

約数の個数: 24

約数和(自身を含む): 239980608

約数和(自身を除く): 139988828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 714227, 1428454, 2856908, 3571135, 4999589, 7142270, 9999178, 14284540, 19998356, 24997945, 49995890, 99991780]

約数ペア:

[(1, 99991780), (2, 49995890), (4, 24997945), (5, 19998356), (7, 14284540), (10, 9999178), (14, 7142270), (20, 4999589), (28, 3571135), (35, 2856908), (70, 1428454), (140, 714227)]