67220440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{240073}}^1$

素因数の和:240091

約数の個数: 32

約数和(自身を含む): 172853280

約数和(自身を除く): 105632840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 240073, 480146, 960292, 1200365, 1680511, 1920584, 2400730, 3361022, 4801460, 6722044, 8402555, 9602920, 13444088, 16805110, 33610220, 67220440]

約数ペア:

[(1, 67220440), (2, 33610220), (4, 16805110), (5, 13444088), (7, 9602920), (8, 8402555), (10, 6722044), (14, 4801460), (20, 3361022), (28, 2400730), (35, 1920584), (40, 1680511), (56, 1200365), (70, 960292), (140, 480146), (280, 240073)]