2149180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9769}}^1$

素因数の和:9789

約数の個数: 24

約数和(自身を含む): 4924080

約数和(自身を除く): 2774900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9769, 19538, 39076, 48845, 97690, 107459, 195380, 214918, 429836, 537295, 1074590, 2149180]

約数ペア:

[(1, 2149180), (2, 1074590), (4, 537295), (5, 429836), (10, 214918), (11, 195380), (20, 107459), (22, 97690), (44, 48845), (55, 39076), (110, 19538), (220, 9769)]