163820440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{585073}}^1$

素因数の和:585091

約数の個数: 32

約数和(自身を含む): 421253280

約数和(自身を除く): 257432840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 585073, 1170146, 2340292, 2925365, 4095511, 4680584, 5850730, 8191022, 11701460, 16382044, 20477555, 23402920, 32764088, 40955110, 81910220, 163820440]

約数ペア:

[(1, 163820440), (2, 81910220), (4, 40955110), (5, 32764088), (7, 23402920), (8, 20477555), (10, 16382044), (14, 11701460), (20, 8191022), (28, 5850730), (35, 4680584), (40, 4095511), (56, 2925365), (70, 2340292), (140, 1170146), (280, 585073)]