78734180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{80341}}^1$

素因数の和:80364

約数の個数: 36

約数和(自身を含む): 192338748

約数和(自身を除く): 113604568

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 80341, 160682, 321364, 401705, 562387, 803410, 1124774, 1606820, 2249548, 2811935, 3936709, 5623870, 7873418, 11247740, 15746836, 19683545, 39367090, 78734180]

約数ペア:

[(1, 78734180), (2, 39367090), (4, 19683545), (5, 15746836), (7, 11247740), (10, 7873418), (14, 5623870), (20, 3936709), (28, 2811935), (35, 2249548), (49, 1606820), (70, 1124774), (98, 803410), (140, 562387), (196, 401705), (245, 321364), (490, 160682), (980, 80341)]