140978660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89227}}^1$

素因数の和:89315

約数の個数: 24

約数和(自身を含む): 299806080

約数和(自身を除く): 158827420

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 89227, 178454, 356908, 446135, 892270, 1784540, 7048933, 14097866, 28195732, 35244665, 70489330, 140978660]

約数ペア:

[(1, 140978660), (2, 70489330), (4, 35244665), (5, 28195732), (10, 14097866), (20, 7048933), (79, 1784540), (158, 892270), (316, 446135), (395, 356908), (790, 178454), (1580, 89227)]