321778688

素因数分解:

$2^{10}\times 7^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:109

約数の個数: 198

約数和(自身を含む): 837988578

約数和(自身を除く): 516209890

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 53, 56, 64, 77, 88, 98, 106, 112, 121, 128, 154, 176, 196, 212, 224, 242, 256, 308, 352, 371, 392, 424, 448, 484, 512, 539, 583, 616, 704, 742, 784, 847, 848, 896, 968, 1024, 1078, 1166, 1232, 1408, 1484, 1568, 1694, 1696, 1792, 1936, 2156, 2332, 2464, 2597, 2816, 2968, 3136, 3388, 3392, 3584, 3872, 4081, 4312, 4664, 4928, 5194, 5632, 5929, 5936, 6272, 6413, 6776, 6784, 7168, 7744, 8162, 8624, 9328, 9856, 10388, 11264, 11858, 11872, 12544, 12826, 13552, 13568, 15488, 16324, 17248, 18656, 19712, 20776, 23716, 23744, 25088, 25652, 27104, 27136, 28567, 30976, 32648, 34496, 37312, 39424, 41552, 44891, 47432, 47488, 50176, 51304, 54208, 54272, 57134, 61952, 65296, 68992, 74624, 78848, 83104, 89782, 94864, 94976, 102608, 108416, 114268, 123904, 130592, 137984, 149248, 166208, 179564, 189728, 189952, 205216, 216832, 228536, 261184, 275968, 298496, 314237, 332416, 359128, 379456, 379904, 410432, 433664, 457072, 522368, 551936, 596992, 628474, 664832, 718256, 758912, 820864, 867328, 914144, 1044736, 1256948, 1329664, 1436512, 1517824, 1641728, 1828288, 2089472, 2513896, 2659328, 2873024, 3035648, 3283456, 3656576, 4178944, 5027792, 5746048, 6071296, 6566912, 7313152, 10055584, 11492096, 14626304, 20111168, 22984192, 29252608, 40222336, 45968384, 80444672, 160889344, 321778688]

約数ペア:

[(1, 321778688), (2, 160889344), (4, 80444672), (7, 45968384), (8, 40222336), (11, 29252608), (14, 22984192), (16, 20111168), (22, 14626304), (28, 11492096), (32, 10055584), (44, 7313152), (49, 6566912), (53, 6071296), (56, 5746048), (64, 5027792), (77, 4178944), (88, 3656576), (98, 3283456), (106, 3035648), (112, 2873024), (121, 2659328), (128, 2513896), (154, 2089472), (176, 1828288), (196, 1641728), (212, 1517824), (224, 1436512), (242, 1329664), (256, 1256948), (308, 1044736), (352, 914144), (371, 867328), (392, 820864), (424, 758912), (448, 718256), (484, 664832), (512, 628474), (539, 596992), (583, 551936), (616, 522368), (704, 457072), (742, 433664), (784, 410432), (847, 379904), (848, 379456), (896, 359128), (968, 332416), (1024, 314237), (1078, 298496), (1166, 275968), (1232, 261184), (1408, 228536), (1484, 216832), (1568, 205216), (1694, 189952), (1696, 189728), (1792, 179564), (1936, 166208), (2156, 149248), (2332, 137984), (2464, 130592), (2597, 123904), (2816, 114268), (2968, 108416), (3136, 102608), (3388, 94976), (3392, 94864), (3584, 89782), (3872, 83104), (4081, 78848), (4312, 74624), (4664, 68992), (4928, 65296), (5194, 61952), (5632, 57134), (5929, 54272), (5936, 54208), (6272, 51304), (6413, 50176), (6776, 47488), (6784, 47432), (7168, 44891), (7744, 41552), (8162, 39424), (8624, 37312), (9328, 34496), (9856, 32648), (10388, 30976), (11264, 28567), (11858, 27136), (11872, 27104), (12544, 25652), (12826, 25088), (13552, 23744), (13568, 23716), (15488, 20776), (16324, 19712), (17248, 18656)]