421775510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{14549}}^1$

素因数の和:14792

約数の個数: 32

約数和(自身を含む): 821318400

約数和(自身を除く): 399542890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 1115, 2230, 2899, 5798, 14495, 14549, 28990, 29098, 72745, 145490, 189137, 378274, 945685, 1891370, 3244427, 6488854, 16222135, 32444270, 42177551, 84355102, 210887755, 421775510]

約数ペア:

[(1, 421775510), (2, 210887755), (5, 84355102), (10, 42177551), (13, 32444270), (26, 16222135), (65, 6488854), (130, 3244427), (223, 1891370), (446, 945685), (1115, 378274), (2230, 189137), (2899, 145490), (5798, 72745), (14495, 29098), (14549, 28990)]