289313620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{113903}}^1$

素因数の和:114039

約数の個数: 24

約数和(自身を含む): 612347904

約数和(自身を除く): 323034284

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 113903, 227806, 455612, 569515, 1139030, 2278060, 14465681, 28931362, 57862724, 72328405, 144656810, 289313620]

約数ペア:

[(1, 289313620), (2, 144656810), (4, 72328405), (5, 57862724), (10, 28931362), (20, 14465681), (127, 2278060), (254, 1139030), (508, 569515), (635, 455612), (1270, 227806), (2540, 113903)]