2866780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20477}}^1$

素因数の和:20493

約数の個数: 24

約数和(自身を含む): 6880608

約数和(自身を除く): 4013828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20477, 40954, 81908, 102385, 143339, 204770, 286678, 409540, 573356, 716695, 1433390, 2866780]

約数ペア:

[(1, 2866780), (2, 1433390), (4, 716695), (5, 573356), (7, 409540), (10, 286678), (14, 204770), (20, 143339), (28, 102385), (35, 81908), (70, 40954), (140, 20477)]