68980660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{492719}}^1$

素因数の和:492735

約数の個数: 24

約数和(自身を含む): 165553920

約数和(自身を除く): 96573260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 492719, 985438, 1970876, 2463595, 3449033, 4927190, 6898066, 9854380, 13796132, 17245165, 34490330, 68980660]

約数ペア:

[(1, 68980660), (2, 34490330), (4, 17245165), (5, 13796132), (7, 9854380), (10, 6898066), (14, 4927190), (20, 3449033), (28, 2463595), (35, 1970876), (70, 985438), (140, 492719)]