2011503940

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1\times {\mathrm{2207}}^1$

素因数の和:2644

約数の個数: 48

約数和(自身を含む): 4265856000

約数和(自身を除く): 2254352060

約数列:

[1, 2, 4, 5, 10, 20, 199, 229, 398, 458, 796, 916, 995, 1145, 1990, 2207, 2290, 3980, 4414, 4580, 8828, 11035, 22070, 44140, 45571, 91142, 182284, 227855, 439193, 455710, 505403, 878386, 911420, 1010806, 1756772, 2021612, 2195965, 2527015, 4391930, 5054030, 8783860, 10108060, 100575197, 201150394, 402300788, 502875985, 1005751970, 2011503940]

約数ペア:

[(1, 2011503940), (2, 1005751970), (4, 502875985), (5, 402300788), (10, 201150394), (20, 100575197), (199, 10108060), (229, 8783860), (398, 5054030), (458, 4391930), (796, 2527015), (916, 2195965), (995, 2021612), (1145, 1756772), (1990, 1010806), (2207, 911420), (2290, 878386), (3980, 505403), (4414, 455710), (4580, 439193), (8828, 227855), (11035, 182284), (22070, 91142), (44140, 45571)]