3949180

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{521}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 8331120

約数和(自身を除く): 4381940

約数列:

[1, 2, 4, 5, 10, 20, 379, 521, 758, 1042, 1516, 1895, 2084, 2605, 3790, 5210, 7580, 10420, 197459, 394918, 789836, 987295, 1974590, 3949180]

約数ペア:

[(1, 3949180), (2, 1974590), (4, 987295), (5, 789836), (10, 394918), (20, 197459), (379, 10420), (521, 7580), (758, 5210), (1042, 3790), (1516, 2605), (1895, 2084)]