27999650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{79999}}^1$

素因数の和:80018

約数の個数: 24

約数和(自身を含む): 59520000

約数和(自身を除く): 31520350

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 79999, 159998, 399995, 559993, 799990, 1119986, 1999975, 2799965, 3999950, 5599930, 13999825, 27999650]

約数ペア:

[(1, 27999650), (2, 13999825), (5, 5599930), (7, 3999950), (10, 2799965), (14, 1999975), (25, 1119986), (35, 799990), (50, 559993), (70, 399995), (175, 159998), (350, 79999)]