72740780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{519577}}^1$

素因数の和:519593

約数の個数: 24

約数和(自身を含む): 174578208

約数和(自身を除く): 101837428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 519577, 1039154, 2078308, 2597885, 3637039, 5195770, 7274078, 10391540, 14548156, 18185195, 36370390, 72740780]

約数ペア:

[(1, 72740780), (2, 36370390), (4, 18185195), (5, 14548156), (7, 10391540), (10, 7274078), (14, 5195770), (20, 3637039), (28, 2597885), (35, 2078308), (70, 1039154), (140, 519577)]