229681820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{57709}}^1$

素因数の和:57917

約数の個数: 24

約数和(自身を含む): 484764000

約数和(自身を除く): 255082180

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 57709, 115418, 230836, 288545, 577090, 1154180, 11484091, 22968182, 45936364, 57420455, 114840910, 229681820]

約数ペア:

[(1, 229681820), (2, 114840910), (4, 57420455), (5, 45936364), (10, 22968182), (20, 11484091), (199, 1154180), (398, 577090), (796, 288545), (995, 230836), (1990, 115418), (3980, 57709)]