228137020

素因数分解:

$2^2\times 5^1\times {\mathrm{2851}}^1\times {\mathrm{4001}}^1$

素因数の和:6861

約数の個数: 24

約数和(自身を含む): 479375568

約数和(自身を除く): 251238548

約数列:

[1, 2, 4, 5, 10, 20, 2851, 4001, 5702, 8002, 11404, 14255, 16004, 20005, 28510, 40010, 57020, 80020, 11406851, 22813702, 45627404, 57034255, 114068510, 228137020]

約数ペア:

[(1, 228137020), (2, 114068510), (4, 57034255), (5, 45627404), (10, 22813702), (20, 11406851), (2851, 80020), (4001, 57020), (5702, 40010), (8002, 28510), (11404, 20005), (14255, 16004)]