129094280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461051}}^1$

素因数の和:461069

約数の個数: 32

約数和(自身を含む): 331957440

約数和(自身を除く): 202863160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461051, 922102, 1844204, 2305255, 3227357, 3688408, 4610510, 6454714, 9221020, 12909428, 16136785, 18442040, 25818856, 32273570, 64547140, 129094280]

約数ペア:

[(1, 129094280), (2, 64547140), (4, 32273570), (5, 25818856), (7, 18442040), (8, 16136785), (10, 12909428), (14, 9221020), (20, 6454714), (28, 4610510), (35, 3688408), (40, 3227357), (56, 2305255), (70, 1844204), (140, 922102), (280, 461051)]