2912742980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20805307}}^1$

素因数の和:20805323

約数の個数: 24

約数和(自身を含む): 6990583488

約数和(自身を除く): 4077840508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20805307, 41610614, 83221228, 104026535, 145637149, 208053070, 291274298, 416106140, 582548596, 728185745, 1456371490, 2912742980]

約数ペア:

[(1, 2912742980), (2, 1456371490), (4, 728185745), (5, 582548596), (7, 416106140), (10, 291274298), (14, 208053070), (20, 145637149), (28, 104026535), (35, 83221228), (70, 41610614), (140, 20805307)]