490220

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 1042944

約数和(自身を除く): 552724

約数列:

[1, 2, 4, 5, 10, 20, 127, 193, 254, 386, 508, 635, 772, 965, 1270, 1930, 2540, 3860, 24511, 49022, 98044, 122555, 245110, 490220]

約数ペア:

[(1, 490220), (2, 245110), (4, 122555), (5, 98044), (10, 49022), (20, 24511), (127, 3860), (193, 2540), (254, 1930), (386, 1270), (508, 965), (635, 772)]