4470220

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{563}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 9427824

約数和(自身を除く): 4957604

約数列:

[1, 2, 4, 5, 10, 20, 397, 563, 794, 1126, 1588, 1985, 2252, 2815, 3970, 5630, 7940, 11260, 223511, 447022, 894044, 1117555, 2235110, 4470220]

約数ペア:

[(1, 4470220), (2, 2235110), (4, 1117555), (5, 894044), (10, 447022), (20, 223511), (397, 11260), (563, 7940), (794, 5630), (1126, 3970), (1588, 2815), (1985, 2252)]