199040

素因数分解:

$2^7\times 5^1\times {\mathrm{311}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 477360

約数和(自身を除く): 278320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 311, 320, 622, 640, 1244, 1555, 2488, 3110, 4976, 6220, 9952, 12440, 19904, 24880, 39808, 49760, 99520, 199040]

約数ペア:

[(1, 199040), (2, 99520), (4, 49760), (5, 39808), (8, 24880), (10, 19904), (16, 12440), (20, 9952), (32, 6220), (40, 4976), (64, 3110), (80, 2488), (128, 1555), (160, 1244), (311, 640), (320, 622)]