297760820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2126863}}^1$

素因数の和:2126879

約数の個数: 24

約数和(自身を含む): 714626304

約数和(自身を除く): 416865484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2126863, 4253726, 8507452, 10634315, 14888041, 21268630, 29776082, 42537260, 59552164, 74440205, 148880410, 297760820]

約数ペア:

[(1, 297760820), (2, 148880410), (4, 74440205), (5, 59552164), (7, 42537260), (10, 29776082), (14, 21268630), (20, 14888041), (28, 10634315), (35, 8507452), (70, 4253726), (140, 2126863)]