66676940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1523}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 153619200

約数和(自身を除く): 86942260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1523, 1990, 2189, 3046, 3980, 4378, 6092, 7615, 8756, 10945, 15230, 16753, 21890, 30460, 33506, 43780, 67012, 83765, 167530, 303077, 335060, 606154, 1212308, 1515385, 3030770, 3333847, 6061540, 6667694, 13335388, 16669235, 33338470, 66676940]

約数ペア:

[(1, 66676940), (2, 33338470), (4, 16669235), (5, 13335388), (10, 6667694), (11, 6061540), (20, 3333847), (22, 3030770), (44, 1515385), (55, 1212308), (110, 606154), (199, 335060), (220, 303077), (398, 167530), (796, 83765), (995, 67012), (1523, 43780), (1990, 33506), (2189, 30460), (3046, 21890), (3980, 16753), (4378, 15230), (6092, 10945), (7615, 8756)]