2912492420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2051051}}^1$

素因数の和:2051131

約数の個数: 24

約数和(自身を含む): 6202381248

約数和(自身を除く): 3289888828

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2051051, 4102102, 8204204, 10255255, 20510510, 41021020, 145624621, 291249242, 582498484, 728123105, 1456246210, 2912492420]

約数ペア:

[(1, 2912492420), (2, 1456246210), (4, 728123105), (5, 582498484), (10, 291249242), (20, 145624621), (71, 41021020), (142, 20510510), (284, 10255255), (355, 8204204), (710, 4102102), (1420, 2051051)]