2499140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17851}}^1$

素因数の和:17867

約数の個数: 24

約数和(自身を含む): 5998272

約数和(自身を除く): 3499132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 17851, 35702, 71404, 89255, 124957, 178510, 249914, 357020, 499828, 624785, 1249570, 2499140]

約数ペア:

[(1, 2499140), (2, 1249570), (4, 624785), (5, 499828), (7, 357020), (10, 249914), (14, 178510), (20, 124957), (28, 89255), (35, 71404), (70, 35702), (140, 17851)]