27968780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199777}}^1$

素因数の和:199793

約数の個数: 24

約数和(自身を含む): 67125408

約数和(自身を除く): 39156628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199777, 399554, 799108, 998885, 1398439, 1997770, 2796878, 3995540, 5593756, 6992195, 13984390, 27968780]

約数ペア:

[(1, 27968780), (2, 13984390), (4, 6992195), (5, 5593756), (7, 3995540), (10, 2796878), (14, 1997770), (20, 1398439), (28, 998885), (35, 799108), (70, 399554), (140, 199777)]