89807480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{320741}}^1$

素因数の和:320759

約数の個数: 32

約数和(自身を含む): 230934240

約数和(自身を除く): 141126760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 320741, 641482, 1282964, 1603705, 2245187, 2565928, 3207410, 4490374, 6414820, 8980748, 11225935, 12829640, 17961496, 22451870, 44903740, 89807480]

約数ペア:

[(1, 89807480), (2, 44903740), (4, 22451870), (5, 17961496), (7, 12829640), (8, 11225935), (10, 8980748), (14, 6414820), (20, 4490374), (28, 3207410), (35, 2565928), (40, 2245187), (56, 1603705), (70, 1282964), (140, 641482), (280, 320741)]