89993980

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{14657}}^1$

素因数の和:14973

約数の個数: 24

約数和(自身を含む): 189615888

約数和(自身を除く): 99621908

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 14657, 29314, 58628, 73285, 146570, 293140, 4499699, 8999398, 17998796, 22498495, 44996990, 89993980]

約数ペア:

[(1, 89993980), (2, 44996990), (4, 22498495), (5, 17998796), (10, 8999398), (20, 4499699), (307, 293140), (614, 146570), (1228, 73285), (1535, 58628), (3070, 29314), (6140, 14657)]