2009170760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{11827}}^1$

素因数の和:12006

約数の個数: 64

約数和(自身を含む): 4700920320

約数和(自身を除く): 2691749560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 137, 155, 248, 274, 310, 548, 620, 685, 1096, 1240, 1370, 2740, 4247, 5480, 8494, 11827, 16988, 21235, 23654, 33976, 42470, 47308, 59135, 84940, 94616, 118270, 169880, 236540, 366637, 473080, 733274, 1466548, 1620299, 1833185, 2933096, 3240598, 3666370, 6481196, 7332740, 8101495, 12962392, 14665480, 16202990, 32405980, 50229269, 64811960, 100458538, 200917076, 251146345, 401834152, 502292690, 1004585380, 2009170760]

約数ペア:

[(1, 2009170760), (2, 1004585380), (4, 502292690), (5, 401834152), (8, 251146345), (10, 200917076), (20, 100458538), (31, 64811960), (40, 50229269), (62, 32405980), (124, 16202990), (137, 14665480), (155, 12962392), (248, 8101495), (274, 7332740), (310, 6481196), (548, 3666370), (620, 3240598), (685, 2933096), (1096, 1833185), (1240, 1620299), (1370, 1466548), (2740, 733274), (4247, 473080), (5480, 366637), (8494, 236540), (11827, 169880), (16988, 118270), (21235, 94616), (23654, 84940), (33976, 59135), (42470, 47308)]