398117376

素因数分解:

$2^9\times 3^3\times {\mathrm{31}}^1\times {\mathrm{929}}^1$

素因数の和:987

約数の個数: 160

約数和(自身を含む): 1217779200

約数和(自身を除く): 819661824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 256, 279, 288, 372, 384, 432, 496, 512, 558, 576, 744, 768, 837, 864, 929, 992, 1116, 1152, 1488, 1536, 1674, 1728, 1858, 1984, 2232, 2304, 2787, 2976, 3348, 3456, 3716, 3968, 4464, 4608, 5574, 5952, 6696, 6912, 7432, 7936, 8361, 8928, 11148, 11904, 13392, 13824, 14864, 15872, 16722, 17856, 22296, 23808, 25083, 26784, 28799, 29728, 33444, 35712, 44592, 47616, 50166, 53568, 57598, 59456, 66888, 71424, 86397, 89184, 100332, 107136, 115196, 118912, 133776, 142848, 172794, 178368, 200664, 214272, 230392, 237824, 259191, 267552, 345588, 356736, 401328, 428544, 460784, 475648, 518382, 535104, 691176, 713472, 777573, 802656, 921568, 1036764, 1070208, 1382352, 1426944, 1555146, 1605312, 1843136, 2073528, 2140416, 2764704, 3110292, 3210624, 3686272, 4147056, 4280832, 5529408, 6220584, 6421248, 7372544, 8294112, 11058816, 12441168, 12842496, 14745088, 16588224, 22117632, 24882336, 33176448, 44235264, 49764672, 66352896, 99529344, 132705792, 199058688, 398117376]

約数ペア:

[(1, 398117376), (2, 199058688), (3, 132705792), (4, 99529344), (6, 66352896), (8, 49764672), (9, 44235264), (12, 33176448), (16, 24882336), (18, 22117632), (24, 16588224), (27, 14745088), (31, 12842496), (32, 12441168), (36, 11058816), (48, 8294112), (54, 7372544), (62, 6421248), (64, 6220584), (72, 5529408), (93, 4280832), (96, 4147056), (108, 3686272), (124, 3210624), (128, 3110292), (144, 2764704), (186, 2140416), (192, 2073528), (216, 1843136), (248, 1605312), (256, 1555146), (279, 1426944), (288, 1382352), (372, 1070208), (384, 1036764), (432, 921568), (496, 802656), (512, 777573), (558, 713472), (576, 691176), (744, 535104), (768, 518382), (837, 475648), (864, 460784), (929, 428544), (992, 401328), (1116, 356736), (1152, 345588), (1488, 267552), (1536, 259191), (1674, 237824), (1728, 230392), (1858, 214272), (1984, 200664), (2232, 178368), (2304, 172794), (2787, 142848), (2976, 133776), (3348, 118912), (3456, 115196), (3716, 107136), (3968, 100332), (4464, 89184), (4608, 86397), (5574, 71424), (5952, 66888), (6696, 59456), (6912, 57598), (7432, 53568), (7936, 50166), (8361, 47616), (8928, 44592), (11148, 35712), (11904, 33444), (13392, 29728), (13824, 28799), (14864, 26784), (15872, 25083), (16722, 23808), (17856, 22296)]