137466280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{490951}}^1$

素因数の和:490969

約数の個数: 32

約数和(自身を含む): 353485440

約数和(自身を除く): 216019160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 490951, 981902, 1963804, 2454755, 3436657, 3927608, 4909510, 6873314, 9819020, 13746628, 17183285, 19638040, 27493256, 34366570, 68733140, 137466280]

約数ペア:

[(1, 137466280), (2, 68733140), (4, 34366570), (5, 27493256), (7, 19638040), (8, 17183285), (10, 13746628), (14, 9819020), (20, 6873314), (28, 4909510), (35, 3927608), (40, 3436657), (56, 2454755), (70, 1963804), (140, 981902), (280, 490951)]