142858660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1020419}}^1$

素因数の和:1020435

約数の個数: 24

約数和(自身を含む): 342861120

約数和(自身を除く): 200002460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1020419, 2040838, 4081676, 5102095, 7142933, 10204190, 14285866, 20408380, 28571732, 35714665, 71429330, 142858660]

約数ペア:

[(1, 142858660), (2, 71429330), (4, 35714665), (5, 28571732), (7, 20408380), (10, 14285866), (14, 10204190), (20, 7142933), (28, 5102095), (35, 4081676), (70, 2040838), (140, 1020419)]