131728660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{134417}}^1$

素因数の和:134440

約数の個数: 36

約数和(自身を含む): 321796692

約数和(自身を除く): 190068032

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 134417, 268834, 537668, 672085, 940919, 1344170, 1881838, 2688340, 3763676, 4704595, 6586433, 9409190, 13172866, 18818380, 26345732, 32932165, 65864330, 131728660]

約数ペア:

[(1, 131728660), (2, 65864330), (4, 32932165), (5, 26345732), (7, 18818380), (10, 13172866), (14, 9409190), (20, 6586433), (28, 4704595), (35, 3763676), (49, 2688340), (70, 1881838), (98, 1344170), (140, 940919), (196, 672085), (245, 537668), (490, 268834), (980, 134417)]