129193960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461407}}^1$

素因数の和:461425

約数の個数: 32

約数和(自身を含む): 332213760

約数和(自身を除く): 203019800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461407, 922814, 1845628, 2307035, 3229849, 3691256, 4614070, 6459698, 9228140, 12919396, 16149245, 18456280, 25838792, 32298490, 64596980, 129193960]

約数ペア:

[(1, 129193960), (2, 64596980), (4, 32298490), (5, 25838792), (7, 18456280), (8, 16149245), (10, 12919396), (14, 9228140), (20, 6459698), (28, 4614070), (35, 3691256), (40, 3229849), (56, 2307035), (70, 1845628), (140, 922814), (280, 461407)]