168911140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1319}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 374774400

約数和(自身を除く): 205863260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 337, 380, 674, 1319, 1348, 1685, 2638, 3370, 5276, 6403, 6595, 6740, 12806, 13190, 25061, 25612, 26380, 32015, 50122, 64030, 100244, 125305, 128060, 250610, 444503, 501220, 889006, 1778012, 2222515, 4445030, 8445557, 8890060, 16891114, 33782228, 42227785, 84455570, 168911140]

約数ペア:

[(1, 168911140), (2, 84455570), (4, 42227785), (5, 33782228), (10, 16891114), (19, 8890060), (20, 8445557), (38, 4445030), (76, 2222515), (95, 1778012), (190, 889006), (337, 501220), (380, 444503), (674, 250610), (1319, 128060), (1348, 125305), (1685, 100244), (2638, 64030), (3370, 50122), (5276, 32015), (6403, 26380), (6595, 25612), (6740, 25061), (12806, 13190)]