1808660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12919}}^1$

素因数の和:12935

約数の個数: 24

約数和(自身を含む): 4341120

約数和(自身を除く): 2532460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12919, 25838, 51676, 64595, 90433, 129190, 180866, 258380, 361732, 452165, 904330, 1808660]

約数ペア:

[(1, 1808660), (2, 904330), (4, 452165), (5, 361732), (7, 258380), (10, 180866), (14, 129190), (20, 90433), (28, 64595), (35, 51676), (70, 25838), (140, 12919)]