138949888

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 216

約数和(自身を含む): 377485920

約数和(自身を除く): 238536032

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 49, 53, 56, 64, 76, 77, 88, 98, 106, 112, 128, 133, 152, 154, 176, 196, 209, 212, 224, 256, 266, 304, 308, 352, 371, 392, 418, 424, 448, 532, 539, 583, 608, 616, 704, 742, 784, 836, 848, 896, 931, 1007, 1064, 1078, 1166, 1216, 1232, 1408, 1463, 1484, 1568, 1672, 1696, 1792, 1862, 2014, 2128, 2156, 2332, 2432, 2464, 2597, 2816, 2926, 2968, 3136, 3344, 3392, 3724, 4028, 4081, 4256, 4312, 4664, 4864, 4928, 5194, 5852, 5936, 6272, 6688, 6784, 7049, 7448, 8056, 8162, 8512, 8624, 9328, 9856, 10241, 10388, 11077, 11704, 11872, 12544, 13376, 13568, 14098, 14896, 16112, 16324, 17024, 17248, 18656, 19712, 20482, 20776, 22154, 23408, 23744, 26752, 28196, 28567, 29792, 32224, 32648, 34048, 34496, 37312, 40964, 41552, 44308, 46816, 47488, 49343, 53504, 56392, 57134, 59584, 64448, 65296, 68992, 74624, 77539, 81928, 83104, 88616, 93632, 94976, 98686, 112784, 114268, 119168, 128896, 130592, 137984, 149248, 155078, 163856, 166208, 177232, 187264, 197372, 225568, 228536, 238336, 257792, 261184, 310156, 327712, 332416, 354464, 374528, 394744, 451136, 457072, 522368, 542773, 620312, 655424, 664832, 708928, 789488, 902272, 914144, 1044736, 1085546, 1240624, 1310848, 1417856, 1578976, 1804544, 1828288, 2171092, 2481248, 2621696, 2835712, 3157952, 3656576, 4342184, 4962496, 6315904, 7313152, 8684368, 9924992, 12631808, 17368736, 19849984, 34737472, 69474944, 138949888]

約数ペア:

[(1, 138949888), (2, 69474944), (4, 34737472), (7, 19849984), (8, 17368736), (11, 12631808), (14, 9924992), (16, 8684368), (19, 7313152), (22, 6315904), (28, 4962496), (32, 4342184), (38, 3656576), (44, 3157952), (49, 2835712), (53, 2621696), (56, 2481248), (64, 2171092), (76, 1828288), (77, 1804544), (88, 1578976), (98, 1417856), (106, 1310848), (112, 1240624), (128, 1085546), (133, 1044736), (152, 914144), (154, 902272), (176, 789488), (196, 708928), (209, 664832), (212, 655424), (224, 620312), (256, 542773), (266, 522368), (304, 457072), (308, 451136), (352, 394744), (371, 374528), (392, 354464), (418, 332416), (424, 327712), (448, 310156), (532, 261184), (539, 257792), (583, 238336), (608, 228536), (616, 225568), (704, 197372), (742, 187264), (784, 177232), (836, 166208), (848, 163856), (896, 155078), (931, 149248), (1007, 137984), (1064, 130592), (1078, 128896), (1166, 119168), (1216, 114268), (1232, 112784), (1408, 98686), (1463, 94976), (1484, 93632), (1568, 88616), (1672, 83104), (1696, 81928), (1792, 77539), (1862, 74624), (2014, 68992), (2128, 65296), (2156, 64448), (2332, 59584), (2432, 57134), (2464, 56392), (2597, 53504), (2816, 49343), (2926, 47488), (2968, 46816), (3136, 44308), (3344, 41552), (3392, 40964), (3724, 37312), (4028, 34496), (4081, 34048), (4256, 32648), (4312, 32224), (4664, 29792), (4864, 28567), (4928, 28196), (5194, 26752), (5852, 23744), (5936, 23408), (6272, 22154), (6688, 20776), (6784, 20482), (7049, 19712), (7448, 18656), (8056, 17248), (8162, 17024), (8512, 16324), (8624, 16112), (9328, 14896), (9856, 14098), (10241, 13568), (10388, 13376), (11077, 12544), (11704, 11872)]