199906240

素因数分解:

$2^6\times 5^1\times {\mathrm{624707}}^1$

素因数の和:624724

約数の個数: 28

約数和(自身を含む): 476027496

約数和(自身を除く): 276121256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 624707, 1249414, 2498828, 3123535, 4997656, 6247070, 9995312, 12494140, 19990624, 24988280, 39981248, 49976560, 99953120, 199906240]

約数ペア:

[(1, 199906240), (2, 99953120), (4, 49976560), (5, 39981248), (8, 24988280), (10, 19990624), (16, 12494140), (20, 9995312), (32, 6247070), (40, 4997656), (64, 3123535), (80, 2498828), (160, 1249414), (320, 624707)]