86620660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{618719}}^1$

素因数の和:618735

約数の個数: 24

約数和(自身を含む): 207889920

約数和(自身を除く): 121269260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 618719, 1237438, 2474876, 3093595, 4331033, 6187190, 8662066, 12374380, 17324132, 21655165, 43310330, 86620660]

約数ペア:

[(1, 86620660), (2, 43310330), (4, 21655165), (5, 17324132), (7, 12374380), (10, 8662066), (14, 6187190), (20, 4331033), (28, 3093595), (35, 2474876), (70, 1237438), (140, 618719)]