77206930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 142876800

約数和(自身を除く): 65669870

約数列:

[1, 2, 5, 10, 43, 86, 215, 409, 430, 439, 818, 878, 2045, 2195, 4090, 4390, 17587, 18877, 35174, 37754, 87935, 94385, 175870, 179551, 188770, 359102, 897755, 1795510, 7720693, 15441386, 38603465, 77206930]

約数ペア:

[(1, 77206930), (2, 38603465), (5, 15441386), (10, 7720693), (43, 1795510), (86, 897755), (215, 359102), (409, 188770), (430, 179551), (439, 175870), (818, 94385), (878, 87935), (2045, 37754), (2195, 35174), (4090, 18877), (4390, 17587)]