2648448460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18917489}}^1$

素因数の和:18917505

約数の個数: 24

約数和(自身を含む): 6356276640

約数和(自身を除く): 3707828180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18917489, 37834978, 75669956, 94587445, 132422423, 189174890, 264844846, 378349780, 529689692, 662112115, 1324224230, 2648448460]

約数ペア:

[(1, 2648448460), (2, 1324224230), (4, 662112115), (5, 529689692), (7, 378349780), (10, 264844846), (14, 189174890), (20, 132422423), (28, 94587445), (35, 75669956), (70, 37834978), (140, 18917489)]