200507905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:2001

約数の個数: 32

約数和(自身を含む): 274337280

約数和(自身を除く): 73829375

約数列:

[1, 5, 13, 23, 65, 71, 115, 299, 355, 923, 1495, 1633, 1889, 4615, 8165, 9445, 21229, 24557, 43447, 106145, 122785, 134119, 217235, 564811, 670595, 1743547, 2824055, 3084737, 8717735, 15423685, 40101581, 200507905]

約数ペア:

[(1, 200507905), (5, 40101581), (13, 15423685), (23, 8717735), (65, 3084737), (71, 2824055), (115, 1743547), (299, 670595), (355, 564811), (923, 217235), (1495, 134119), (1633, 122785), (1889, 106145), (4615, 43447), (8165, 24557), (9445, 21229)]