2750180

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 5812800

約数和(自身を除く): 3062620

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 691, 796, 995, 1382, 1990, 2764, 3455, 3980, 6910, 13820, 137509, 275018, 550036, 687545, 1375090, 2750180]

約数ペア:

[(1, 2750180), (2, 1375090), (4, 687545), (5, 550036), (10, 275018), (20, 137509), (199, 13820), (398, 6910), (691, 3980), (796, 3455), (995, 2764), (1382, 1990)]