78640030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1123429}}^1$

素因数の和:1123443

約数の個数: 16

約数和(自身を含む): 161773920

約数和(自身を除く): 83133890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1123429, 2246858, 5617145, 7864003, 11234290, 15728006, 39320015, 78640030]

約数ペア:

[(1, 78640030), (2, 39320015), (5, 15728006), (7, 11234290), (10, 7864003), (14, 5617145), (35, 2246858), (70, 1123429)]