55646220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{132491}}^1$

素因数の和:132510

約数の個数: 48

約数和(自身を含む): 178069248

約数和(自身を除く): 122423028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 132491, 264982, 397473, 529964, 662455, 794946, 927437, 1324910, 1589892, 1854874, 1987365, 2649820, 2782311, 3709748, 3974730, 4637185, 5564622, 7949460, 9274370, 11129244, 13911555, 18548740, 27823110, 55646220]

約数ペア:

[(1, 55646220), (2, 27823110), (3, 18548740), (4, 13911555), (5, 11129244), (6, 9274370), (7, 7949460), (10, 5564622), (12, 4637185), (14, 3974730), (15, 3709748), (20, 2782311), (21, 2649820), (28, 1987365), (30, 1854874), (35, 1589892), (42, 1324910), (60, 927437), (70, 794946), (84, 662455), (105, 529964), (140, 397473), (210, 264982), (420, 132491)]