3978790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 7729920

約数和(自身を除く): 3751130

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 487, 817, 974, 1634, 2435, 4085, 4870, 8170, 9253, 18506, 20941, 41882, 46265, 92530, 104705, 209410, 397879, 795758, 1989395, 3978790]

約数ペア:

[(1, 3978790), (2, 1989395), (5, 795758), (10, 397879), (19, 209410), (38, 104705), (43, 92530), (86, 46265), (95, 41882), (190, 20941), (215, 18506), (430, 9253), (487, 8170), (817, 4870), (974, 4085), (1634, 2435)]