206857340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{653}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 445640832

約数和(自身を除く): 238783492

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 337, 470, 653, 674, 940, 1306, 1348, 1685, 2612, 3265, 3370, 6530, 6740, 13060, 15839, 30691, 31678, 61382, 63356, 79195, 122764, 153455, 158390, 220061, 306910, 316780, 440122, 613820, 880244, 1100305, 2200610, 4401220, 10342867, 20685734, 41371468, 51714335, 103428670, 206857340]

約数ペア:

[(1, 206857340), (2, 103428670), (4, 51714335), (5, 41371468), (10, 20685734), (20, 10342867), (47, 4401220), (94, 2200610), (188, 1100305), (235, 880244), (337, 613820), (470, 440122), (653, 316780), (674, 306910), (940, 220061), (1306, 158390), (1348, 153455), (1685, 122764), (2612, 79195), (3265, 63356), (3370, 61382), (6530, 31678), (6740, 30691), (13060, 15839)]