2761780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19727}}^1$

素因数の和:19743

約数の個数: 24

約数和(自身を含む): 6628608

約数和(自身を除く): 3866828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19727, 39454, 78908, 98635, 138089, 197270, 276178, 394540, 552356, 690445, 1380890, 2761780]

約数ペア:

[(1, 2761780), (2, 1380890), (4, 690445), (5, 552356), (7, 394540), (10, 276178), (14, 197270), (20, 138089), (28, 98635), (35, 78908), (70, 39454), (140, 19727)]