690082060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{802421}}^1$

素因数の和:802473

約数の個数: 24

約数和(自身を含む): 1482875856

約数和(自身を除く): 792793796

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 802421, 1604842, 3209684, 4012105, 8024210, 16048420, 34504103, 69008206, 138016412, 172520515, 345041030, 690082060]

約数ペア:

[(1, 690082060), (2, 345041030), (4, 172520515), (5, 138016412), (10, 69008206), (20, 34504103), (43, 16048420), (86, 8024210), (172, 4012105), (215, 3209684), (430, 1604842), (860, 802421)]