57252140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1321}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 131925024

約数和(自身を除く): 74672884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1321, 1970, 2167, 2642, 3940, 4334, 5284, 6605, 8668, 10835, 13210, 14531, 21670, 26420, 29062, 43340, 58124, 72655, 145310, 260237, 290620, 520474, 1040948, 1301185, 2602370, 2862607, 5204740, 5725214, 11450428, 14313035, 28626070, 57252140]

約数ペア:

[(1, 57252140), (2, 28626070), (4, 14313035), (5, 11450428), (10, 5725214), (11, 5204740), (20, 2862607), (22, 2602370), (44, 1301185), (55, 1040948), (110, 520474), (197, 290620), (220, 260237), (394, 145310), (788, 72655), (985, 58124), (1321, 43340), (1970, 29062), (2167, 26420), (2642, 21670), (3940, 14531), (4334, 13210), (5284, 10835), (6605, 8668)]