421540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3011}}^1$

素因数の和:3027

約数の個数: 24

約数和(自身を含む): 1012032

約数和(自身を除く): 590492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3011, 6022, 12044, 15055, 21077, 30110, 42154, 60220, 84308, 105385, 210770, 421540]

約数ペア:

[(1, 421540), (2, 210770), (4, 105385), (5, 84308), (7, 60220), (10, 42154), (14, 30110), (20, 21077), (28, 15055), (35, 12044), (70, 6022), (140, 3011)]