890403010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1817149}}^1$

素因数の和:1817170

約数の個数: 24

約数和(自身を含む): 1864395900

約数和(自身を除く): 973992890

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1817149, 3634298, 9085745, 12720043, 18171490, 25440086, 63600215, 89040301, 127200430, 178080602, 445201505, 890403010]

約数ペア:

[(1, 890403010), (2, 445201505), (5, 178080602), (7, 127200430), (10, 89040301), (14, 63600215), (35, 25440086), (49, 18171490), (70, 12720043), (98, 9085745), (245, 3634298), (490, 1817149)]