2007647320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 5246208000

約数和(自身を除く): 3238560680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 199, 263, 274, 280, 398, 526, 548, 685, 796, 959, 995, 1052, 1096, 1315, 1370, 1393, 1592, 1841, 1918, 1990, 2104, 2630, 2740, 2786, 3682, 3836, 3980, 4795, 5260, 5480, 5572, 6965, 7364, 7672, 7960, 9205, 9590, 10520, 11144, 13930, 14728, 18410, 19180, 27263, 27860, 36031, 36820, 38360, 52337, 54526, 55720, 72062, 73640, 104674, 109052, 136315, 144124, 180155, 190841, 209348, 218104, 252217, 261685, 272630, 288248, 360310, 366359, 381682, 418696, 504434, 523370, 545260, 720620, 732718, 763364, 954205, 1008868, 1046740, 1090520, 1261085, 1441240, 1465436, 1526728, 1831795, 1908410, 2017736, 2093480, 2522170, 2930872, 3663590, 3816820, 5044340, 7170169, 7327180, 7633640, 10088680, 14340338, 14654360, 28680676, 35850845, 50191183, 57361352, 71701690, 100382366, 143403380, 200764732, 250955915, 286806760, 401529464, 501911830, 1003823660, 2007647320]

約数ペア:

[(1, 2007647320), (2, 1003823660), (4, 501911830), (5, 401529464), (7, 286806760), (8, 250955915), (10, 200764732), (14, 143403380), (20, 100382366), (28, 71701690), (35, 57361352), (40, 50191183), (56, 35850845), (70, 28680676), (137, 14654360), (140, 14340338), (199, 10088680), (263, 7633640), (274, 7327180), (280, 7170169), (398, 5044340), (526, 3816820), (548, 3663590), (685, 2930872), (796, 2522170), (959, 2093480), (995, 2017736), (1052, 1908410), (1096, 1831795), (1315, 1526728), (1370, 1465436), (1393, 1441240), (1592, 1261085), (1841, 1090520), (1918, 1046740), (1990, 1008868), (2104, 954205), (2630, 763364), (2740, 732718), (2786, 720620), (3682, 545260), (3836, 523370), (3980, 504434), (4795, 418696), (5260, 381682), (5480, 366359), (5572, 360310), (6965, 288248), (7364, 272630), (7672, 261685), (7960, 252217), (9205, 218104), (9590, 209348), (10520, 190841), (11144, 180155), (13930, 144124), (14728, 136315), (18410, 109052), (19180, 104674), (27263, 73640), (27860, 72062), (36031, 55720), (36820, 54526), (38360, 52337)]