3811420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1279}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 8064000

約数和(自身を除く): 4252580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1279, 1490, 2558, 2980, 5116, 6395, 12790, 25580, 190571, 381142, 762284, 952855, 1905710, 3811420]

約数ペア:

[(1, 3811420), (2, 1905710), (4, 952855), (5, 762284), (10, 381142), (20, 190571), (149, 25580), (298, 12790), (596, 6395), (745, 5116), (1279, 2980), (1490, 2558)]