1291295600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2341}}^1$

素因数の和:2563

約数の個数: 120

約数和(自身を含む): 3565048608

約数和(自身を除く): 2273753008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 197, 200, 280, 350, 394, 400, 560, 700, 788, 985, 1379, 1400, 1576, 1970, 2341, 2758, 2800, 3152, 3940, 4682, 4925, 5516, 6895, 7880, 9364, 9850, 11032, 11705, 13790, 15760, 16387, 18728, 19700, 22064, 23410, 27580, 32774, 34475, 37456, 39400, 46820, 55160, 58525, 65548, 68950, 78800, 81935, 93640, 110320, 117050, 131096, 137900, 163870, 187280, 234100, 262192, 275800, 327740, 409675, 461177, 468200, 551600, 655480, 819350, 922354, 936400, 1310960, 1638700, 1844708, 2305885, 3228239, 3277400, 3689416, 4611770, 6456478, 6554800, 7378832, 9223540, 11529425, 12912956, 16141195, 18447080, 23058850, 25825912, 32282390, 36894160, 46117700, 51651824, 64564780, 80705975, 92235400, 129129560, 161411950, 184470800, 258259120, 322823900, 645647800, 1291295600]

約数ペア:

[(1, 1291295600), (2, 645647800), (4, 322823900), (5, 258259120), (7, 184470800), (8, 161411950), (10, 129129560), (14, 92235400), (16, 80705975), (20, 64564780), (25, 51651824), (28, 46117700), (35, 36894160), (40, 32282390), (50, 25825912), (56, 23058850), (70, 18447080), (80, 16141195), (100, 12912956), (112, 11529425), (140, 9223540), (175, 7378832), (197, 6554800), (200, 6456478), (280, 4611770), (350, 3689416), (394, 3277400), (400, 3228239), (560, 2305885), (700, 1844708), (788, 1638700), (985, 1310960), (1379, 936400), (1400, 922354), (1576, 819350), (1970, 655480), (2341, 551600), (2758, 468200), (2800, 461177), (3152, 409675), (3940, 327740), (4682, 275800), (4925, 262192), (5516, 234100), (6895, 187280), (7880, 163870), (9364, 137900), (9850, 131096), (11032, 117050), (11705, 110320), (13790, 93640), (15760, 81935), (16387, 78800), (18728, 68950), (19700, 65548), (22064, 58525), (23410, 55160), (27580, 46820), (32774, 39400), (34475, 37456)]