209276980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{951259}}^1$

素因数の和:951279

約数の個数: 24

約数和(自身を含む): 479435040

約数和(自身を除く): 270158060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 951259, 1902518, 3805036, 4756295, 9512590, 10463849, 19025180, 20927698, 41855396, 52319245, 104638490, 209276980]

約数ペア:

[(1, 209276980), (2, 104638490), (4, 52319245), (5, 41855396), (10, 20927698), (11, 19025180), (20, 10463849), (22, 9512590), (44, 4756295), (55, 3805036), (110, 1902518), (220, 951259)]