55242740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2003}}^1$

素因数の和:2216

約数の個数: 48

約数和(自身を含む): 133322112

約数和(自身を除く): 78079372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2003, 2758, 3940, 4006, 5516, 6895, 8012, 10015, 13790, 14021, 20030, 27580, 28042, 40060, 56084, 70105, 140210, 280420, 394591, 789182, 1578364, 1972955, 2762137, 3945910, 5524274, 7891820, 11048548, 13810685, 27621370, 55242740]

約数ペア:

[(1, 55242740), (2, 27621370), (4, 13810685), (5, 11048548), (7, 7891820), (10, 5524274), (14, 3945910), (20, 2762137), (28, 1972955), (35, 1578364), (70, 789182), (140, 394591), (197, 280420), (394, 140210), (788, 70105), (985, 56084), (1379, 40060), (1970, 28042), (2003, 27580), (2758, 20030), (3940, 14021), (4006, 13790), (5516, 10015), (6895, 8012)]