856390640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:296

約数の個数: 240

約数和(自身を含む): 2500714944

約数和(自身を除く): 1644324304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 71, 80, 85, 98, 112, 119, 136, 140, 142, 170, 181, 196, 238, 245, 272, 280, 284, 340, 355, 362, 392, 476, 490, 497, 560, 568, 595, 680, 710, 724, 784, 833, 905, 952, 980, 994, 1136, 1190, 1207, 1267, 1360, 1420, 1448, 1666, 1810, 1904, 1960, 1988, 2380, 2414, 2485, 2534, 2840, 2896, 3077, 3332, 3479, 3620, 3920, 3976, 4165, 4760, 4828, 4970, 5068, 5680, 6035, 6154, 6335, 6664, 6958, 7240, 7952, 8330, 8449, 8869, 9520, 9656, 9940, 10136, 12070, 12308, 12670, 12851, 13328, 13916, 14480, 15385, 16660, 16898, 17395, 17738, 19312, 19880, 20272, 21539, 24140, 24616, 25340, 25702, 27832, 30770, 33320, 33796, 34790, 35476, 39760, 42245, 43078, 44345, 48280, 49232, 50680, 51404, 55664, 59143, 61540, 64255, 66640, 67592, 69580, 70952, 84490, 86156, 88690, 89957, 96560, 101360, 102808, 107695, 118286, 123080, 128510, 135184, 139160, 141904, 150773, 168980, 172312, 177380, 179914, 205616, 215390, 218467, 236572, 246160, 257020, 278320, 295715, 301546, 337960, 344624, 354760, 359828, 430780, 436934, 449785, 473144, 514040, 591430, 603092, 629699, 675920, 709520, 719656, 753865, 861560, 873868, 899570, 946288, 1028080, 1092335, 1182860, 1206184, 1259398, 1439312, 1507730, 1529269, 1723120, 1747736, 1799140, 2184670, 2365720, 2412368, 2518796, 3015460, 3058538, 3148495, 3495472, 3598280, 4369340, 4731440, 5037592, 6030920, 6117076, 6296990, 7196560, 7646345, 8738680, 10075184, 10704883, 12061840, 12234152, 12593980, 15292690, 17477360, 21409766, 24468304, 25187960, 30585380, 42819532, 50375920, 53524415, 61170760, 85639064, 107048830, 122341520, 171278128, 214097660, 428195320, 856390640]

約数ペア:

[(1, 856390640), (2, 428195320), (4, 214097660), (5, 171278128), (7, 122341520), (8, 107048830), (10, 85639064), (14, 61170760), (16, 53524415), (17, 50375920), (20, 42819532), (28, 30585380), (34, 25187960), (35, 24468304), (40, 21409766), (49, 17477360), (56, 15292690), (68, 12593980), (70, 12234152), (71, 12061840), (80, 10704883), (85, 10075184), (98, 8738680), (112, 7646345), (119, 7196560), (136, 6296990), (140, 6117076), (142, 6030920), (170, 5037592), (181, 4731440), (196, 4369340), (238, 3598280), (245, 3495472), (272, 3148495), (280, 3058538), (284, 3015460), (340, 2518796), (355, 2412368), (362, 2365720), (392, 2184670), (476, 1799140), (490, 1747736), (497, 1723120), (560, 1529269), (568, 1507730), (595, 1439312), (680, 1259398), (710, 1206184), (724, 1182860), (784, 1092335), (833, 1028080), (905, 946288), (952, 899570), (980, 873868), (994, 861560), (1136, 753865), (1190, 719656), (1207, 709520), (1267, 675920), (1360, 629699), (1420, 603092), (1448, 591430), (1666, 514040), (1810, 473144), (1904, 449785), (1960, 436934), (1988, 430780), (2380, 359828), (2414, 354760), (2485, 344624), (2534, 337960), (2840, 301546), (2896, 295715), (3077, 278320), (3332, 257020), (3479, 246160), (3620, 236572), (3920, 218467), (3976, 215390), (4165, 205616), (4760, 179914), (4828, 177380), (4970, 172312), (5068, 168980), (5680, 150773), (6035, 141904), (6154, 139160), (6335, 135184), (6664, 128510), (6958, 123080), (7240, 118286), (7952, 107695), (8330, 102808), (8449, 101360), (8869, 96560), (9520, 89957), (9656, 88690), (9940, 86156), (10136, 84490), (12070, 70952), (12308, 69580), (12670, 67592), (12851, 66640), (13328, 64255), (13916, 61540), (14480, 59143), (15385, 55664), (16660, 51404), (16898, 50680), (17395, 49232), (17738, 48280), (19312, 44345), (19880, 43078), (20272, 42245), (21539, 39760), (24140, 35476), (24616, 34790), (25340, 33796), (25702, 33320), (27832, 30770)]