3958780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28277}}^1$

素因数の和:28293

約数の個数: 24

約数和(自身を含む): 9501408

約数和(自身を除く): 5542628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28277, 56554, 113108, 141385, 197939, 282770, 395878, 565540, 791756, 989695, 1979390, 3958780]

約数ペア:

[(1, 3958780), (2, 1979390), (4, 989695), (5, 791756), (7, 565540), (10, 395878), (14, 282770), (20, 197939), (28, 141385), (35, 113108), (70, 56554), (140, 28277)]