90480940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{13267}}^1$

素因数の和:13318

約数の個数: 48

約数和(自身を含む): 213986304

約数和(自身を除く): 123505364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 13267, 26534, 53068, 66335, 132670, 145937, 265340, 291874, 411277, 583748, 729685, 822554, 1459370, 1645108, 2056385, 2918740, 4112770, 4524047, 8225540, 9048094, 18096188, 22620235, 45240470, 90480940]

約数ペア:

[(1, 90480940), (2, 45240470), (4, 22620235), (5, 18096188), (10, 9048094), (11, 8225540), (20, 4524047), (22, 4112770), (31, 2918740), (44, 2056385), (55, 1645108), (62, 1459370), (110, 822554), (124, 729685), (155, 583748), (220, 411277), (310, 291874), (341, 265340), (620, 145937), (682, 132670), (1364, 66335), (1705, 53068), (3410, 26534), (6820, 13267)]