280884076

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{580339}}^1$

素因数の和:580365

約数の個数: 18

約数和(自身を含む): 540296540

約数和(自身を除く): 259412464

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 580339, 1160678, 2321356, 6383729, 12767458, 25534916, 70221019, 140442038, 280884076]

約数ペア:

[(1, 280884076), (2, 140442038), (4, 70221019), (11, 25534916), (22, 12767458), (44, 6383729), (121, 2321356), (242, 1160678), (484, 580339)]