9885820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 23905728

約数和(自身を除く): 14019908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 293, 482, 586, 964, 1172, 1205, 1465, 1687, 2051, 2410, 2930, 3374, 4102, 4820, 5860, 6748, 8204, 8435, 10255, 16870, 20510, 33740, 41020, 70613, 141226, 282452, 353065, 494291, 706130, 988582, 1412260, 1977164, 2471455, 4942910, 9885820]

約数ペア:

[(1, 9885820), (2, 4942910), (4, 2471455), (5, 1977164), (7, 1412260), (10, 988582), (14, 706130), (20, 494291), (28, 353065), (35, 282452), (70, 141226), (140, 70613), (241, 41020), (293, 33740), (482, 20510), (586, 16870), (964, 10255), (1172, 8435), (1205, 8204), (1465, 6748), (1687, 5860), (2051, 4820), (2410, 4102), (2930, 3374)]