1311060940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2551}}^1\times {\mathrm{3671}}^1$

素因数の和:6238

約数の個数: 48

約数和(自身を含む): 3148637184

約数和(自身を除く): 1837576244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2551, 3671, 5102, 7342, 10204, 12755, 14684, 17857, 18355, 25510, 25697, 35714, 36710, 51020, 51394, 71428, 73420, 89285, 102788, 128485, 178570, 256970, 357140, 513940, 9364721, 18729442, 37458884, 46823605, 65553047, 93647210, 131106094, 187294420, 262212188, 327765235, 655530470, 1311060940]

約数ペア:

[(1, 1311060940), (2, 655530470), (4, 327765235), (5, 262212188), (7, 187294420), (10, 131106094), (14, 93647210), (20, 65553047), (28, 46823605), (35, 37458884), (70, 18729442), (140, 9364721), (2551, 513940), (3671, 357140), (5102, 256970), (7342, 178570), (10204, 128485), (12755, 102788), (14684, 89285), (17857, 73420), (18355, 71428), (25510, 51394), (25697, 51020), (35714, 36710)]