257918976

素因数分解:

$2^{11}\times 3^2\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2034

約数の個数: 144

約数和(自身を含む): 851760000

約数和(自身を除く): 593841024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 1008, 1024, 1152, 1344, 1536, 1792, 1999, 2016, 2048, 2304, 2688, 3072, 3584, 3998, 4032, 4608, 5376, 5997, 6144, 7168, 7996, 8064, 9216, 10752, 11994, 13993, 14336, 15992, 16128, 17991, 18432, 21504, 23988, 27986, 31984, 32256, 35982, 41979, 43008, 47976, 55972, 63968, 64512, 71964, 83958, 95952, 111944, 125937, 127936, 129024, 143928, 167916, 191904, 223888, 251874, 255872, 287856, 335832, 383808, 447776, 503748, 511744, 575712, 671664, 767616, 895552, 1007496, 1023488, 1151424, 1343328, 1535232, 1791104, 2014992, 2046976, 2302848, 2686656, 3070464, 3582208, 4029984, 4093952, 4605696, 5373312, 6140928, 7164416, 8059968, 9211392, 10746624, 12281856, 14328832, 16119936, 18422784, 21493248, 28657664, 32239872, 36845568, 42986496, 64479744, 85972992, 128959488, 257918976]

約数ペア:

[(1, 257918976), (2, 128959488), (3, 85972992), (4, 64479744), (6, 42986496), (7, 36845568), (8, 32239872), (9, 28657664), (12, 21493248), (14, 18422784), (16, 16119936), (18, 14328832), (21, 12281856), (24, 10746624), (28, 9211392), (32, 8059968), (36, 7164416), (42, 6140928), (48, 5373312), (56, 4605696), (63, 4093952), (64, 4029984), (72, 3582208), (84, 3070464), (96, 2686656), (112, 2302848), (126, 2046976), (128, 2014992), (144, 1791104), (168, 1535232), (192, 1343328), (224, 1151424), (252, 1023488), (256, 1007496), (288, 895552), (336, 767616), (384, 671664), (448, 575712), (504, 511744), (512, 503748), (576, 447776), (672, 383808), (768, 335832), (896, 287856), (1008, 255872), (1024, 251874), (1152, 223888), (1344, 191904), (1536, 167916), (1792, 143928), (1999, 129024), (2016, 127936), (2048, 125937), (2304, 111944), (2688, 95952), (3072, 83958), (3584, 71964), (3998, 64512), (4032, 63968), (4608, 55972), (5376, 47976), (5997, 43008), (6144, 41979), (7168, 35982), (7996, 32256), (8064, 31984), (9216, 27986), (10752, 23988), (11994, 21504), (13993, 18432), (14336, 17991), (15992, 16128)]