2809870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 5842368

約数和(自身を除く): 3032498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 293, 586, 685, 959, 1370, 1465, 1918, 2051, 2930, 4102, 4795, 9590, 10255, 20510, 40141, 80282, 200705, 280987, 401410, 561974, 1404935, 2809870]

約数ペア:

[(1, 2809870), (2, 1404935), (5, 561974), (7, 401410), (10, 280987), (14, 200705), (35, 80282), (70, 40141), (137, 20510), (274, 10255), (293, 9590), (586, 4795), (685, 4102), (959, 2930), (1370, 2051), (1465, 1918)]