119636420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 256773888

約数和(自身を除く): 137137468

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 173, 284, 346, 355, 487, 692, 710, 865, 974, 1420, 1730, 1948, 2435, 3460, 4870, 9740, 12283, 24566, 34577, 49132, 61415, 69154, 84251, 122830, 138308, 168502, 172885, 245660, 337004, 345770, 421255, 691540, 842510, 1685020, 5981821, 11963642, 23927284, 29909105, 59818210, 119636420]

約数ペア:

[(1, 119636420), (2, 59818210), (4, 29909105), (5, 23927284), (10, 11963642), (20, 5981821), (71, 1685020), (142, 842510), (173, 691540), (284, 421255), (346, 345770), (355, 337004), (487, 245660), (692, 172885), (710, 168502), (865, 138308), (974, 122830), (1420, 84251), (1730, 69154), (1948, 61415), (2435, 49132), (3460, 34577), (4870, 24566), (9740, 12283)]