2740780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19577}}^1$

素因数の和:19593

約数の個数: 24

約数和(自身を含む): 6578208

約数和(自身を除く): 3837428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19577, 39154, 78308, 97885, 137039, 195770, 274078, 391540, 548156, 685195, 1370390, 2740780]

約数ペア:

[(1, 2740780), (2, 1370390), (4, 685195), (5, 548156), (7, 391540), (10, 274078), (14, 195770), (20, 137039), (28, 97885), (35, 78308), (70, 39154), (140, 19577)]