490281984

素因数分解:

$2^{10}\times 3^4\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 220

約数和(自身を含む): 1533677904

約数和(自身を除く): 1043395920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 128, 138, 144, 162, 184, 192, 207, 216, 256, 257, 276, 288, 324, 368, 384, 414, 432, 512, 514, 552, 576, 621, 648, 736, 768, 771, 828, 864, 1024, 1028, 1104, 1152, 1242, 1296, 1472, 1536, 1542, 1656, 1728, 1863, 2056, 2208, 2304, 2313, 2484, 2592, 2944, 3072, 3084, 3312, 3456, 3726, 4112, 4416, 4608, 4626, 4968, 5184, 5888, 5911, 6168, 6624, 6912, 6939, 7452, 8224, 8832, 9216, 9252, 9936, 10368, 11776, 11822, 12336, 13248, 13824, 13878, 14904, 16448, 17664, 17733, 18504, 19872, 20736, 20817, 23552, 23644, 24672, 26496, 27648, 27756, 29808, 32896, 35328, 35466, 37008, 39744, 41472, 41634, 47288, 49344, 52992, 53199, 55512, 59616, 65792, 70656, 70932, 74016, 79488, 82944, 83268, 94576, 98688, 105984, 106398, 111024, 119232, 131584, 141864, 148032, 158976, 159597, 166536, 189152, 197376, 211968, 212796, 222048, 238464, 263168, 283728, 296064, 317952, 319194, 333072, 378304, 394752, 425592, 444096, 476928, 478791, 567456, 592128, 635904, 638388, 666144, 756608, 789504, 851184, 888192, 953856, 957582, 1134912, 1184256, 1276776, 1332288, 1513216, 1702368, 1776384, 1907712, 1915164, 2269824, 2368512, 2553552, 2664576, 3026432, 3404736, 3552768, 3830328, 4539648, 5107104, 5329152, 6052864, 6809472, 7105536, 7660656, 9079296, 10214208, 10658304, 13618944, 15321312, 18158592, 20428416, 21316608, 27237888, 30642624, 40856832, 54475776, 61285248, 81713664, 122570496, 163427328, 245140992, 490281984]

約数ペア:

[(1, 490281984), (2, 245140992), (3, 163427328), (4, 122570496), (6, 81713664), (8, 61285248), (9, 54475776), (12, 40856832), (16, 30642624), (18, 27237888), (23, 21316608), (24, 20428416), (27, 18158592), (32, 15321312), (36, 13618944), (46, 10658304), (48, 10214208), (54, 9079296), (64, 7660656), (69, 7105536), (72, 6809472), (81, 6052864), (92, 5329152), (96, 5107104), (108, 4539648), (128, 3830328), (138, 3552768), (144, 3404736), (162, 3026432), (184, 2664576), (192, 2553552), (207, 2368512), (216, 2269824), (256, 1915164), (257, 1907712), (276, 1776384), (288, 1702368), (324, 1513216), (368, 1332288), (384, 1276776), (414, 1184256), (432, 1134912), (512, 957582), (514, 953856), (552, 888192), (576, 851184), (621, 789504), (648, 756608), (736, 666144), (768, 638388), (771, 635904), (828, 592128), (864, 567456), (1024, 478791), (1028, 476928), (1104, 444096), (1152, 425592), (1242, 394752), (1296, 378304), (1472, 333072), (1536, 319194), (1542, 317952), (1656, 296064), (1728, 283728), (1863, 263168), (2056, 238464), (2208, 222048), (2304, 212796), (2313, 211968), (2484, 197376), (2592, 189152), (2944, 166536), (3072, 159597), (3084, 158976), (3312, 148032), (3456, 141864), (3726, 131584), (4112, 119232), (4416, 111024), (4608, 106398), (4626, 105984), (4968, 98688), (5184, 94576), (5888, 83268), (5911, 82944), (6168, 79488), (6624, 74016), (6912, 70932), (6939, 70656), (7452, 65792), (8224, 59616), (8832, 55512), (9216, 53199), (9252, 52992), (9936, 49344), (10368, 47288), (11776, 41634), (11822, 41472), (12336, 39744), (13248, 37008), (13824, 35466), (13878, 35328), (14904, 32896), (16448, 29808), (17664, 27756), (17733, 27648), (18504, 26496), (19872, 24672), (20736, 23644), (20817, 23552)]