55487180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1291}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 133706496

約数和(自身を除く): 78219316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1291, 1535, 2149, 2582, 3070, 4298, 5164, 6140, 6455, 8596, 9037, 10745, 12910, 18074, 21490, 25820, 36148, 42980, 45185, 90370, 180740, 396337, 792674, 1585348, 1981685, 2774359, 3963370, 5548718, 7926740, 11097436, 13871795, 27743590, 55487180]

約数ペア:

[(1, 55487180), (2, 27743590), (4, 13871795), (5, 11097436), (7, 7926740), (10, 5548718), (14, 3963370), (20, 2774359), (28, 1981685), (35, 1585348), (70, 792674), (140, 396337), (307, 180740), (614, 90370), (1228, 45185), (1291, 42980), (1535, 36148), (2149, 25820), (2582, 21490), (3070, 18074), (4298, 12910), (5164, 10745), (6140, 9037), (6455, 8596)]