281229984

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{701}}^1$

素因数の和:923

約数の個数: 144

約数和(自身を含む): 919900800

約数和(自身を除く): 638670816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 199, 224, 252, 288, 336, 398, 504, 597, 672, 701, 796, 1008, 1194, 1393, 1402, 1592, 1791, 2016, 2103, 2388, 2786, 2804, 3184, 3582, 4179, 4206, 4776, 4907, 5572, 5608, 6309, 6368, 7164, 8358, 8412, 9552, 9814, 11144, 11216, 12537, 12618, 14328, 14721, 16716, 16824, 19104, 19628, 22288, 22432, 25074, 25236, 28656, 29442, 33432, 33648, 39256, 44163, 44576, 50148, 50472, 57312, 58884, 66864, 67296, 78512, 88326, 100296, 100944, 117768, 133728, 139499, 157024, 176652, 200592, 201888, 235536, 278998, 353304, 401184, 418497, 471072, 557996, 706608, 836994, 976493, 1115992, 1255491, 1413216, 1673988, 1952986, 2231984, 2510982, 2929479, 3347976, 3905972, 4463968, 5021964, 5858958, 6695952, 7811944, 8788437, 10043928, 11717916, 13391904, 15623888, 17576874, 20087856, 23435832, 31247776, 35153748, 40175712, 46871664, 70307496, 93743328, 140614992, 281229984]

約数ペア:

[(1, 281229984), (2, 140614992), (3, 93743328), (4, 70307496), (6, 46871664), (7, 40175712), (8, 35153748), (9, 31247776), (12, 23435832), (14, 20087856), (16, 17576874), (18, 15623888), (21, 13391904), (24, 11717916), (28, 10043928), (32, 8788437), (36, 7811944), (42, 6695952), (48, 5858958), (56, 5021964), (63, 4463968), (72, 3905972), (84, 3347976), (96, 2929479), (112, 2510982), (126, 2231984), (144, 1952986), (168, 1673988), (199, 1413216), (224, 1255491), (252, 1115992), (288, 976493), (336, 836994), (398, 706608), (504, 557996), (597, 471072), (672, 418497), (701, 401184), (796, 353304), (1008, 278998), (1194, 235536), (1393, 201888), (1402, 200592), (1592, 176652), (1791, 157024), (2016, 139499), (2103, 133728), (2388, 117768), (2786, 100944), (2804, 100296), (3184, 88326), (3582, 78512), (4179, 67296), (4206, 66864), (4776, 58884), (4907, 57312), (5572, 50472), (5608, 50148), (6309, 44576), (6368, 44163), (7164, 39256), (8358, 33648), (8412, 33432), (9552, 29442), (9814, 28656), (11144, 25236), (11216, 25074), (12537, 22432), (12618, 22288), (14328, 19628), (14721, 19104), (16716, 16824)]