289035320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 192

約数和(自身を含む): 803727360

約数和(自身を除く): 514692040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 67, 70, 71, 98, 124, 134, 140, 142, 155, 196, 217, 245, 248, 268, 280, 284, 310, 335, 355, 392, 434, 469, 490, 497, 536, 568, 620, 670, 710, 868, 938, 980, 994, 1085, 1240, 1340, 1420, 1519, 1736, 1876, 1960, 1988, 2077, 2170, 2201, 2345, 2485, 2680, 2840, 3038, 3283, 3479, 3752, 3976, 4154, 4340, 4402, 4690, 4757, 4970, 6076, 6566, 6958, 7595, 8308, 8680, 8804, 9380, 9514, 9940, 10385, 11005, 12152, 13132, 13916, 14539, 15190, 15407, 16415, 16616, 17395, 17608, 18760, 19028, 19880, 20770, 22010, 23785, 26264, 27832, 29078, 30380, 30814, 32830, 33299, 34790, 38056, 41540, 44020, 47570, 58156, 60760, 61628, 65660, 66598, 69580, 72695, 77035, 83080, 88040, 95140, 101773, 107849, 116312, 123256, 131320, 133196, 139160, 145390, 147467, 154070, 166495, 190280, 203546, 215698, 233093, 266392, 290780, 294934, 308140, 332990, 407092, 431396, 466186, 508865, 539245, 581560, 589868, 616280, 665980, 737335, 814184, 862792, 932372, 1017730, 1032269, 1078490, 1165465, 1179736, 1331960, 1474670, 1864744, 2035460, 2064538, 2156980, 2330930, 2949340, 4070920, 4129076, 4313960, 4661860, 5161345, 5898680, 7225883, 8258152, 9323720, 10322690, 14451766, 20645380, 28903532, 36129415, 41290760, 57807064, 72258830, 144517660, 289035320]

約数ペア:

[(1, 289035320), (2, 144517660), (4, 72258830), (5, 57807064), (7, 41290760), (8, 36129415), (10, 28903532), (14, 20645380), (20, 14451766), (28, 10322690), (31, 9323720), (35, 8258152), (40, 7225883), (49, 5898680), (56, 5161345), (62, 4661860), (67, 4313960), (70, 4129076), (71, 4070920), (98, 2949340), (124, 2330930), (134, 2156980), (140, 2064538), (142, 2035460), (155, 1864744), (196, 1474670), (217, 1331960), (245, 1179736), (248, 1165465), (268, 1078490), (280, 1032269), (284, 1017730), (310, 932372), (335, 862792), (355, 814184), (392, 737335), (434, 665980), (469, 616280), (490, 589868), (497, 581560), (536, 539245), (568, 508865), (620, 466186), (670, 431396), (710, 407092), (868, 332990), (938, 308140), (980, 294934), (994, 290780), (1085, 266392), (1240, 233093), (1340, 215698), (1420, 203546), (1519, 190280), (1736, 166495), (1876, 154070), (1960, 147467), (1988, 145390), (2077, 139160), (2170, 133196), (2201, 131320), (2345, 123256), (2485, 116312), (2680, 107849), (2840, 101773), (3038, 95140), (3283, 88040), (3479, 83080), (3752, 77035), (3976, 72695), (4154, 69580), (4340, 66598), (4402, 65660), (4690, 61628), (4757, 60760), (4970, 58156), (6076, 47570), (6566, 44020), (6958, 41540), (7595, 38056), (8308, 34790), (8680, 33299), (8804, 32830), (9380, 30814), (9514, 30380), (9940, 29078), (10385, 27832), (11005, 26264), (12152, 23785), (13132, 22010), (13916, 20770), (14539, 19880), (15190, 19028), (15407, 18760), (16415, 17608), (16616, 17395)]