129191480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293617}}^1$

素因数の和:293639

約数の個数: 32

約数和(自身を含む): 317107440

約数和(自身を除く): 187915960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 293617, 587234, 1174468, 1468085, 2348936, 2936170, 3229787, 5872340, 6459574, 11744680, 12919148, 16148935, 25838296, 32297870, 64595740, 129191480]

約数ペア:

[(1, 129191480), (2, 64595740), (4, 32297870), (5, 25838296), (8, 16148935), (10, 12919148), (11, 11744680), (20, 6459574), (22, 5872340), (40, 3229787), (44, 2936170), (55, 2348936), (88, 1468085), (110, 1174468), (220, 587234), (440, 293617)]