78626380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{80231}}^1$

素因数の和:80254

約数の個数: 36

約数和(自身を含む): 192075408

約数和(自身を除く): 113449028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 80231, 160462, 320924, 401155, 561617, 802310, 1123234, 1604620, 2246468, 2808085, 3931319, 5616170, 7862638, 11232340, 15725276, 19656595, 39313190, 78626380]

約数ペア:

[(1, 78626380), (2, 39313190), (4, 19656595), (5, 15725276), (7, 11232340), (10, 7862638), (14, 5616170), (20, 3931319), (28, 2808085), (35, 2246468), (49, 1604620), (70, 1123234), (98, 802310), (140, 561617), (196, 401155), (245, 320924), (490, 160462), (980, 80231)]