28068620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9419}}^1$

素因数の和:9577

約数の個数: 24

約数和(自身を含む): 59346000

約数和(自身を除く): 31277380

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 9419, 18838, 37676, 47095, 94190, 188380, 1403431, 2806862, 5613724, 7017155, 14034310, 28068620]

約数ペア:

[(1, 28068620), (2, 14034310), (4, 7017155), (5, 5613724), (10, 2806862), (20, 1403431), (149, 188380), (298, 94190), (596, 47095), (745, 37676), (1490, 18838), (2980, 9419)]