204489005

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1693}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 312847920

約数和(自身を除く): 108358915

約数列:

[1, 5, 7, 17, 29, 35, 49, 85, 119, 145, 203, 245, 493, 595, 833, 1015, 1421, 1693, 2465, 3451, 4165, 7105, 8465, 11851, 17255, 24157, 28781, 49097, 59255, 82957, 120785, 143905, 201467, 245485, 343679, 414785, 834649, 1007335, 1410269, 1718395, 2405753, 4173245, 5842543, 7051345, 12028765, 29212715, 40897801, 204489005]

約数ペア:

[(1, 204489005), (5, 40897801), (7, 29212715), (17, 12028765), (29, 7051345), (35, 5842543), (49, 4173245), (85, 2405753), (119, 1718395), (145, 1410269), (203, 1007335), (245, 834649), (493, 414785), (595, 343679), (833, 245485), (1015, 201467), (1421, 143905), (1693, 120785), (2465, 82957), (3451, 59255), (4165, 49097), (7105, 28781), (8465, 24157), (11851, 17255)]