8470390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 16236000

約数和(自身を除く): 7765610

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 409, 545, 818, 1090, 2045, 2071, 4090, 4142, 7771, 10355, 15542, 20710, 38855, 44581, 77710, 89162, 222905, 445810, 847039, 1694078, 4235195, 8470390]

約数ペア:

[(1, 8470390), (2, 4235195), (5, 1694078), (10, 847039), (19, 445810), (38, 222905), (95, 89162), (109, 77710), (190, 44581), (218, 38855), (409, 20710), (545, 15542), (818, 10355), (1090, 7771), (2045, 4142), (2071, 4090)]