197342180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1409587}}^1$

素因数の和:1409603

約数の個数: 24

約数和(自身を含む): 473621568

約数和(自身を除く): 276279388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1409587, 2819174, 5638348, 7047935, 9867109, 14095870, 19734218, 28191740, 39468436, 49335545, 98671090, 197342180]

約数ペア:

[(1, 197342180), (2, 98671090), (4, 49335545), (5, 39468436), (7, 28191740), (10, 19734218), (14, 14095870), (20, 9867109), (28, 7047935), (35, 5638348), (70, 2819174), (140, 1409587)]