3983740

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1433}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 8431920

約数和(自身を除く): 4448180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1433, 2780, 2866, 5732, 7165, 14330, 28660, 199187, 398374, 796748, 995935, 1991870, 3983740]

約数ペア:

[(1, 3983740), (2, 1991870), (4, 995935), (5, 796748), (10, 398374), (20, 199187), (139, 28660), (278, 14330), (556, 7165), (695, 5732), (1390, 2866), (1433, 2780)]