91106180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2081}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 209865600

約数和(自身を除く): 118759420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2081, 2189, 3980, 4162, 4378, 8324, 8756, 10405, 10945, 20810, 21890, 22891, 41620, 43780, 45782, 91564, 114455, 228910, 414119, 457820, 828238, 1656476, 2070595, 4141190, 4555309, 8282380, 9110618, 18221236, 22776545, 45553090, 91106180]

約数ペア:

[(1, 91106180), (2, 45553090), (4, 22776545), (5, 18221236), (10, 9110618), (11, 8282380), (20, 4555309), (22, 4141190), (44, 2070595), (55, 1656476), (110, 828238), (199, 457820), (220, 414119), (398, 228910), (796, 114455), (995, 91564), (1990, 45782), (2081, 43780), (2189, 41620), (3980, 22891), (4162, 21890), (4378, 20810), (8324, 10945), (8756, 10405)]