388530688

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:338

約数の個数: 160

約数和(自身を含む): 989936640

約数和(自身を除く): 601405952

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 256, 269, 364, 403, 416, 434, 448, 496, 512, 538, 728, 806, 832, 868, 896, 992, 1076, 1456, 1612, 1664, 1736, 1792, 1883, 1984, 2152, 2821, 2912, 3224, 3328, 3472, 3497, 3584, 3766, 3968, 4304, 5642, 5824, 6448, 6656, 6944, 6994, 7532, 7936, 8339, 8608, 11284, 11648, 12896, 13888, 13988, 15064, 15872, 16678, 17216, 22568, 23296, 24479, 25792, 27776, 27976, 30128, 33356, 34432, 45136, 46592, 48958, 51584, 55552, 55952, 58373, 60256, 66712, 68864, 90272, 97916, 103168, 108407, 111104, 111904, 116746, 120512, 133424, 137728, 180544, 195832, 206336, 216814, 223808, 233492, 241024, 266848, 361088, 391664, 433628, 447616, 466984, 482048, 533696, 722176, 758849, 783328, 867256, 895232, 933968, 964096, 1067392, 1444352, 1517698, 1566656, 1734512, 1790464, 1867936, 2134784, 3035396, 3133312, 3469024, 3735872, 4269568, 6070792, 6266624, 6938048, 7471744, 12141584, 12533248, 13876096, 14943488, 24283168, 27752192, 29886976, 48566336, 55504384, 97132672, 194265344, 388530688]

約数ペア:

[(1, 388530688), (2, 194265344), (4, 97132672), (7, 55504384), (8, 48566336), (13, 29886976), (14, 27752192), (16, 24283168), (26, 14943488), (28, 13876096), (31, 12533248), (32, 12141584), (52, 7471744), (56, 6938048), (62, 6266624), (64, 6070792), (91, 4269568), (104, 3735872), (112, 3469024), (124, 3133312), (128, 3035396), (182, 2134784), (208, 1867936), (217, 1790464), (224, 1734512), (248, 1566656), (256, 1517698), (269, 1444352), (364, 1067392), (403, 964096), (416, 933968), (434, 895232), (448, 867256), (496, 783328), (512, 758849), (538, 722176), (728, 533696), (806, 482048), (832, 466984), (868, 447616), (896, 433628), (992, 391664), (1076, 361088), (1456, 266848), (1612, 241024), (1664, 233492), (1736, 223808), (1792, 216814), (1883, 206336), (1984, 195832), (2152, 180544), (2821, 137728), (2912, 133424), (3224, 120512), (3328, 116746), (3472, 111904), (3497, 111104), (3584, 108407), (3766, 103168), (3968, 97916), (4304, 90272), (5642, 68864), (5824, 66712), (6448, 60256), (6656, 58373), (6944, 55952), (6994, 55552), (7532, 51584), (7936, 48958), (8339, 46592), (8608, 45136), (11284, 34432), (11648, 33356), (12896, 30128), (13888, 27976), (13988, 27776), (15064, 25792), (15872, 24479), (16678, 23296), (17216, 22568)]