280149160

素因数分解:

$2^3\times 5^1\times {\mathrm{7003729}}^1$

素因数の和:7003740

約数の個数: 16

約数和(自身を含む): 630335700

約数和(自身を除く): 350186540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7003729, 14007458, 28014916, 35018645, 56029832, 70037290, 140074580, 280149160]

約数ペア:

[(1, 280149160), (2, 140074580), (4, 70037290), (5, 56029832), (8, 35018645), (10, 28014916), (20, 14007458), (40, 7003729)]