4049090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 7784640

約数和(自身を除く): 3735550

約数列:

[1, 2, 5, 10, 19, 38, 95, 101, 190, 202, 211, 422, 505, 1010, 1055, 1919, 2110, 3838, 4009, 8018, 9595, 19190, 20045, 21311, 40090, 42622, 106555, 213110, 404909, 809818, 2024545, 4049090]

約数ペア:

[(1, 4049090), (2, 2024545), (5, 809818), (10, 404909), (19, 213110), (38, 106555), (95, 42622), (101, 40090), (190, 21311), (202, 20045), (211, 19190), (422, 9595), (505, 8018), (1010, 4009), (1055, 3838), (1919, 2110)]