4047260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28909}}^1$

素因数の和:28925

約数の個数: 24

約数和(自身を含む): 9713760

約数和(自身を除く): 5666500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28909, 57818, 115636, 144545, 202363, 289090, 404726, 578180, 809452, 1011815, 2023630, 4047260]

約数ペア:

[(1, 4047260), (2, 2023630), (4, 1011815), (5, 809452), (7, 578180), (10, 404726), (14, 289090), (20, 202363), (28, 144545), (35, 115636), (70, 57818), (140, 28909)]