3949540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28211}}^1$

素因数の和:28227

約数の個数: 24

約数和(自身を含む): 9479232

約数和(自身を除く): 5529692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28211, 56422, 112844, 141055, 197477, 282110, 394954, 564220, 789908, 987385, 1974770, 3949540]

約数ペア:

[(1, 3949540), (2, 1974770), (4, 987385), (5, 789908), (7, 564220), (10, 394954), (14, 282110), (20, 197477), (28, 141055), (35, 112844), (70, 56422), (140, 28211)]