284691640

素因数分解:

$2^3\times 5^1\times {\mathrm{7117291}}^1$

素因数の和:7117302

約数の個数: 16

約数和(自身を含む): 640556280

約数和(自身を除く): 355864640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7117291, 14234582, 28469164, 35586455, 56938328, 71172910, 142345820, 284691640]

約数ペア:

[(1, 284691640), (2, 142345820), (4, 71172910), (5, 56938328), (8, 35586455), (10, 28469164), (20, 14234582), (40, 7117291)]