2768780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19777}}^1$

素因数の和:19793

約数の個数: 24

約数和(自身を含む): 6645408

約数和(自身を除く): 3876628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19777, 39554, 79108, 98885, 138439, 197770, 276878, 395540, 553756, 692195, 1384390, 2768780]

約数ペア:

[(1, 2768780), (2, 1384390), (4, 692195), (5, 553756), (7, 395540), (10, 276878), (14, 197770), (20, 138439), (28, 98885), (35, 79108), (70, 39554), (140, 19777)]