2990180

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{487}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 6312768

約数和(自身を除く): 3322588

約数列:

[1, 2, 4, 5, 10, 20, 307, 487, 614, 974, 1228, 1535, 1948, 2435, 3070, 4870, 6140, 9740, 149509, 299018, 598036, 747545, 1495090, 2990180]

約数ペア:

[(1, 2990180), (2, 1495090), (4, 747545), (5, 598036), (10, 299018), (20, 149509), (307, 9740), (487, 6140), (614, 4870), (974, 3070), (1228, 2435), (1535, 1948)]