27856780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198977}}^1$

素因数の和:198993

約数の個数: 24

約数和(自身を含む): 66856608

約数和(自身を除く): 38999828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198977, 397954, 795908, 994885, 1392839, 1989770, 2785678, 3979540, 5571356, 6964195, 13928390, 27856780]

約数ペア:

[(1, 27856780), (2, 13928390), (4, 6964195), (5, 5571356), (7, 3979540), (10, 2785678), (14, 1989770), (20, 1392839), (28, 994885), (35, 795908), (70, 397954), (140, 198977)]