28156740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{469279}}^1$

素因数の和:469291

約数の個数: 24

約数和(自身を含む): 78839040

約数和(自身を除く): 50682300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 469279, 938558, 1407837, 1877116, 2346395, 2815674, 4692790, 5631348, 7039185, 9385580, 14078370, 28156740]

約数ペア:

[(1, 28156740), (2, 14078370), (3, 9385580), (4, 7039185), (5, 5631348), (6, 4692790), (10, 2815674), (12, 2346395), (15, 1877116), (20, 1407837), (30, 938558), (60, 469279)]