1687180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7669}}^1$

素因数の和:7689

約数の個数: 24

約数和(自身を含む): 3865680

約数和(自身を除く): 2178500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 7669, 15338, 30676, 38345, 76690, 84359, 153380, 168718, 337436, 421795, 843590, 1687180]

約数ペア:

[(1, 1687180), (2, 843590), (4, 421795), (5, 337436), (10, 168718), (11, 153380), (20, 84359), (22, 76690), (44, 38345), (55, 30676), (110, 15338), (220, 7669)]