2457140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17551}}^1$

素因数の和:17567

約数の個数: 24

約数和(自身を含む): 5897472

約数和(自身を除く): 3440332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 17551, 35102, 70204, 87755, 122857, 175510, 245714, 351020, 491428, 614285, 1228570, 2457140]

約数ペア:

[(1, 2457140), (2, 1228570), (4, 614285), (5, 491428), (7, 351020), (10, 245714), (14, 175510), (20, 122857), (28, 87755), (35, 70204), (70, 35102), (140, 17551)]