204023140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{3919}}^1$

素因数の和:4084

約数の個数: 48

約数和(自身を含む): 454406400

約数和(自身を除く): 250383260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 548, 685, 1370, 2603, 2740, 3919, 5206, 7838, 10412, 13015, 15676, 19595, 26030, 39190, 52060, 74461, 78380, 148922, 297844, 372305, 536903, 744610, 1073806, 1489220, 2147612, 2684515, 5369030, 10201157, 10738060, 20402314, 40804628, 51005785, 102011570, 204023140]

約数ペア:

[(1, 204023140), (2, 102011570), (4, 51005785), (5, 40804628), (10, 20402314), (19, 10738060), (20, 10201157), (38, 5369030), (76, 2684515), (95, 2147612), (137, 1489220), (190, 1073806), (274, 744610), (380, 536903), (548, 372305), (685, 297844), (1370, 148922), (2603, 78380), (2740, 74461), (3919, 52060), (5206, 39190), (7838, 26030), (10412, 19595), (13015, 15676)]