289312880

素因数分解:

$2^4\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{2957}}^1$

素因数の和:4193

約数の個数: 40

約数和(自身を含む): 673430112

約数和(自身を除く): 384117232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1223, 2446, 2957, 4892, 5914, 6115, 9784, 11828, 12230, 14785, 19568, 23656, 24460, 29570, 47312, 48920, 59140, 97840, 118280, 236560, 3616411, 7232822, 14465644, 18082055, 28931288, 36164110, 57862576, 72328220, 144656440, 289312880]

約数ペア:

[(1, 289312880), (2, 144656440), (4, 72328220), (5, 57862576), (8, 36164110), (10, 28931288), (16, 18082055), (20, 14465644), (40, 7232822), (80, 3616411), (1223, 236560), (2446, 118280), (2957, 97840), (4892, 59140), (5914, 48920), (6115, 47312), (9784, 29570), (11828, 24460), (12230, 23656), (14785, 19568)]