2912941780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20806727}}^1$

素因数の和:20806743

約数の個数: 24

約数和(自身を含む): 6991060608

約数和(自身を除く): 4078118828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20806727, 41613454, 83226908, 104033635, 145647089, 208067270, 291294178, 416134540, 582588356, 728235445, 1456470890, 2912941780]

約数ペア:

[(1, 2912941780), (2, 1456470890), (4, 728235445), (5, 582588356), (7, 416134540), (10, 291294178), (14, 208067270), (20, 145647089), (28, 104033635), (35, 83226908), (70, 41613454), (140, 20806727)]