287540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1307}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 659232

約数和(自身を除く): 371692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1307, 2614, 5228, 6535, 13070, 14377, 26140, 28754, 57508, 71885, 143770, 287540]

約数ペア:

[(1, 287540), (2, 143770), (4, 71885), (5, 57508), (10, 28754), (11, 26140), (20, 14377), (22, 13070), (44, 6535), (55, 5228), (110, 2614), (220, 1307)]