2156236460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15401689}}^1$

素因数の和:15401705

約数の個数: 24

約数和(自身を含む): 5174967840

約数和(自身を除く): 3018731380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15401689, 30803378, 61606756, 77008445, 107811823, 154016890, 215623646, 308033780, 431247292, 539059115, 1078118230, 2156236460]

約数ペア:

[(1, 2156236460), (2, 1078118230), (4, 539059115), (5, 431247292), (7, 308033780), (10, 215623646), (14, 154016890), (20, 107811823), (28, 77008445), (35, 61606756), (70, 30803378), (140, 15401689)]