208616660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1490119}}^1$

素因数の和:1490135

約数の個数: 24

約数和(自身を含む): 500680320

約数和(自身を除く): 292063660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1490119, 2980238, 5960476, 7450595, 10430833, 14901190, 20861666, 29802380, 41723332, 52154165, 104308330, 208616660]

約数ペア:

[(1, 208616660), (2, 104308330), (4, 52154165), (5, 41723332), (7, 29802380), (10, 20861666), (14, 14901190), (20, 10430833), (28, 7450595), (35, 5960476), (70, 2980238), (140, 1490119)]