1999858464

素因数分解:

$2^5\times 3^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:840

約数の個数: 192

約数和(自身を含む): 6134849280

約数和(自身を除く): 4134990816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 92, 96, 108, 138, 144, 157, 184, 207, 216, 276, 288, 314, 368, 414, 432, 471, 552, 621, 628, 641, 736, 828, 864, 942, 1104, 1242, 1256, 1282, 1413, 1656, 1884, 1923, 2208, 2484, 2512, 2564, 2826, 3312, 3611, 3768, 3846, 4239, 4968, 5024, 5128, 5652, 5769, 6624, 7222, 7536, 7692, 8478, 9936, 10256, 10833, 11304, 11538, 14444, 14743, 15072, 15384, 16956, 17307, 19872, 20512, 21666, 22608, 23076, 28888, 29486, 30768, 32499, 33912, 34614, 43332, 44229, 45216, 46152, 57776, 58972, 61536, 64998, 67824, 69228, 86664, 88458, 92304, 97497, 100637, 115552, 117944, 129996, 132687, 135648, 138456, 173328, 176916, 184608, 194994, 201274, 235888, 259992, 265374, 276912, 301911, 346656, 353832, 389988, 398061, 402548, 471776, 519984, 530748, 553824, 603822, 707664, 779976, 796122, 805096, 905733, 1039968, 1061496, 1207644, 1415328, 1559952, 1592244, 1610192, 1811466, 2122992, 2314651, 2415288, 2717199, 3119904, 3184488, 3220384, 3622932, 4245984, 4629302, 4830576, 5434398, 6368976, 6943953, 7245864, 9258604, 9661152, 10868796, 12737952, 13887906, 14491728, 18517208, 20831859, 21737592, 27775812, 28983456, 37034416, 41663718, 43475184, 55551624, 62495577, 74068832, 83327436, 86950368, 111103248, 124991154, 166654872, 222206496, 249982308, 333309744, 499964616, 666619488, 999929232, 1999858464]

約数ペア:

[(1, 1999858464), (2, 999929232), (3, 666619488), (4, 499964616), (6, 333309744), (8, 249982308), (9, 222206496), (12, 166654872), (16, 124991154), (18, 111103248), (23, 86950368), (24, 83327436), (27, 74068832), (32, 62495577), (36, 55551624), (46, 43475184), (48, 41663718), (54, 37034416), (69, 28983456), (72, 27775812), (92, 21737592), (96, 20831859), (108, 18517208), (138, 14491728), (144, 13887906), (157, 12737952), (184, 10868796), (207, 9661152), (216, 9258604), (276, 7245864), (288, 6943953), (314, 6368976), (368, 5434398), (414, 4830576), (432, 4629302), (471, 4245984), (552, 3622932), (621, 3220384), (628, 3184488), (641, 3119904), (736, 2717199), (828, 2415288), (864, 2314651), (942, 2122992), (1104, 1811466), (1242, 1610192), (1256, 1592244), (1282, 1559952), (1413, 1415328), (1656, 1207644), (1884, 1061496), (1923, 1039968), (2208, 905733), (2484, 805096), (2512, 796122), (2564, 779976), (2826, 707664), (3312, 603822), (3611, 553824), (3768, 530748), (3846, 519984), (4239, 471776), (4968, 402548), (5024, 398061), (5128, 389988), (5652, 353832), (5769, 346656), (6624, 301911), (7222, 276912), (7536, 265374), (7692, 259992), (8478, 235888), (9936, 201274), (10256, 194994), (10833, 184608), (11304, 176916), (11538, 173328), (14444, 138456), (14743, 135648), (15072, 132687), (15384, 129996), (16956, 117944), (17307, 115552), (19872, 100637), (20512, 97497), (21666, 92304), (22608, 88458), (23076, 86664), (28888, 69228), (29486, 67824), (30768, 64998), (32499, 61536), (33912, 58972), (34614, 57776), (43332, 46152), (44229, 45216)]