277280780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1980577}}^1$

素因数の和:1980593

約数の個数: 24

約数和(自身を含む): 665474208

約数和(自身を除く): 388193428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1980577, 3961154, 7922308, 9902885, 13864039, 19805770, 27728078, 39611540, 55456156, 69320195, 138640390, 277280780]

約数ペア:

[(1, 277280780), (2, 138640390), (4, 69320195), (5, 55456156), (7, 39611540), (10, 27728078), (14, 19805770), (20, 13864039), (28, 9902885), (35, 7922308), (70, 3961154), (140, 1980577)]