289719020

素因数分解:

$2^2\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{11903}}^1$

素因数の和:13129

約数の個数: 24

約数和(自身を含む): 608961024

約数和(自身を除く): 319242004

約数列:

[1, 2, 4, 5, 10, 20, 1217, 2434, 4868, 6085, 11903, 12170, 23806, 24340, 47612, 59515, 119030, 238060, 14485951, 28971902, 57943804, 72429755, 144859510, 289719020]

約数ペア:

[(1, 289719020), (2, 144859510), (4, 72429755), (5, 57943804), (10, 28971902), (20, 14485951), (1217, 238060), (2434, 119030), (4868, 59515), (6085, 47612), (11903, 24340), (12170, 23806)]