2017130920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6947}}^1$

素因数の和:7043

約数の個数: 128

約数和(自身を含む): 5582856960

約数和(自身を除く): 3565726040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 61, 68, 70, 85, 119, 122, 136, 140, 170, 238, 244, 280, 305, 340, 427, 476, 488, 595, 610, 680, 854, 952, 1037, 1190, 1220, 1708, 2074, 2135, 2380, 2440, 3416, 4148, 4270, 4760, 5185, 6947, 7259, 8296, 8540, 10370, 13894, 14518, 17080, 20740, 27788, 29036, 34735, 36295, 41480, 48629, 55576, 58072, 69470, 72590, 97258, 118099, 138940, 145180, 194516, 236198, 243145, 277880, 290360, 389032, 423767, 472396, 486290, 590495, 826693, 847534, 944792, 972580, 1180990, 1653386, 1695068, 1945160, 2118835, 2361980, 2966369, 3306772, 3390136, 4133465, 4237670, 4723960, 5932738, 6613544, 7204039, 8266930, 8475340, 11865476, 14408078, 14831845, 16533860, 16950680, 23730952, 28816156, 29663690, 33067720, 36020195, 50428273, 57632312, 59327380, 72040390, 100856546, 118654760, 144080780, 201713092, 252141365, 288161560, 403426184, 504282730, 1008565460, 2017130920]

約数ペア:

[(1, 2017130920), (2, 1008565460), (4, 504282730), (5, 403426184), (7, 288161560), (8, 252141365), (10, 201713092), (14, 144080780), (17, 118654760), (20, 100856546), (28, 72040390), (34, 59327380), (35, 57632312), (40, 50428273), (56, 36020195), (61, 33067720), (68, 29663690), (70, 28816156), (85, 23730952), (119, 16950680), (122, 16533860), (136, 14831845), (140, 14408078), (170, 11865476), (238, 8475340), (244, 8266930), (280, 7204039), (305, 6613544), (340, 5932738), (427, 4723960), (476, 4237670), (488, 4133465), (595, 3390136), (610, 3306772), (680, 2966369), (854, 2361980), (952, 2118835), (1037, 1945160), (1190, 1695068), (1220, 1653386), (1708, 1180990), (2074, 972580), (2135, 944792), (2380, 847534), (2440, 826693), (3416, 590495), (4148, 486290), (4270, 472396), (4760, 423767), (5185, 389032), (6947, 290360), (7259, 277880), (8296, 243145), (8540, 236198), (10370, 194516), (13894, 145180), (14518, 138940), (17080, 118099), (20740, 97258), (27788, 72590), (29036, 69470), (34735, 58072), (36295, 55576), (41480, 48629)]