3390980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3943}}^1$

素因数の和:3995

約数の個数: 24

約数和(自身を含む): 7288512

約数和(自身を除く): 3897532

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 3943, 7886, 15772, 19715, 39430, 78860, 169549, 339098, 678196, 847745, 1695490, 3390980]

約数ペア:

[(1, 3390980), (2, 1695490), (4, 847745), (5, 678196), (10, 339098), (20, 169549), (43, 78860), (86, 39430), (172, 19715), (215, 15772), (430, 7886), (860, 3943)]