1999340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14281}}^1$

素因数の和:14297

約数の個数: 24

約数和(自身を含む): 4798752

約数和(自身を除く): 2799412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14281, 28562, 57124, 71405, 99967, 142810, 199934, 285620, 399868, 499835, 999670, 1999340]

約数ペア:

[(1, 1999340), (2, 999670), (4, 499835), (5, 399868), (7, 285620), (10, 199934), (14, 142810), (20, 99967), (28, 71405), (35, 57124), (70, 28562), (140, 14281)]