1669780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11927}}^1$

素因数の和:11943

約数の個数: 24

約数和(自身を含む): 4007808

約数和(自身を除く): 2338028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11927, 23854, 47708, 59635, 83489, 119270, 166978, 238540, 333956, 417445, 834890, 1669780]

約数ペア:

[(1, 1669780), (2, 834890), (4, 417445), (5, 333956), (7, 238540), (10, 166978), (14, 119270), (20, 83489), (28, 59635), (35, 47708), (70, 23854), (140, 11927)]