28887670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1009}}^1$

素因数の和:1432

約数の個数: 32

約数和(自身を含む): 59630400

約数和(自身を除く): 30742730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 1009, 2018, 2045, 2863, 4090, 5045, 5726, 7063, 10090, 14126, 14315, 28630, 35315, 70630, 412681, 825362, 2063405, 2888767, 4126810, 5777534, 14443835, 28887670]

約数ペア:

[(1, 28887670), (2, 14443835), (5, 5777534), (7, 4126810), (10, 2888767), (14, 2063405), (35, 825362), (70, 412681), (409, 70630), (818, 35315), (1009, 28630), (2018, 14315), (2045, 14126), (2863, 10090), (4090, 7063), (5045, 5726)]