1012420

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 2145024

約数和(自身を除く): 1132604

約数列:

[1, 2, 4, 5, 10, 20, 223, 227, 446, 454, 892, 908, 1115, 1135, 2230, 2270, 4460, 4540, 50621, 101242, 202484, 253105, 506210, 1012420]

約数ペア:

[(1, 1012420), (2, 506210), (4, 253105), (5, 202484), (10, 101242), (20, 50621), (223, 4540), (227, 4460), (446, 2270), (454, 2230), (892, 1135), (908, 1115)]