990242176

素因数分解:

$2^7\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:533

約数の個数: 192

約数和(自身を含む): 2589788160

約数和(自身を除く): 1599545984

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 49, 56, 62, 64, 77, 88, 98, 112, 124, 128, 154, 176, 196, 217, 224, 248, 308, 341, 352, 392, 434, 448, 463, 496, 539, 616, 682, 704, 784, 868, 896, 926, 992, 1078, 1232, 1364, 1408, 1519, 1568, 1736, 1852, 1984, 2156, 2387, 2464, 2728, 3038, 3136, 3241, 3472, 3704, 3968, 4312, 4774, 4928, 5093, 5456, 6076, 6272, 6482, 6944, 7408, 8624, 9548, 9856, 10186, 10912, 12152, 12964, 13888, 14353, 14816, 16709, 17248, 19096, 20372, 21824, 22687, 24304, 25928, 27776, 28706, 29632, 33418, 34496, 35651, 38192, 40744, 43648, 45374, 48608, 51856, 57412, 59264, 66836, 68992, 71302, 76384, 81488, 90748, 97216, 100471, 103712, 114824, 133672, 142604, 152768, 157883, 162976, 181496, 194432, 200942, 207424, 229648, 249557, 267344, 285208, 305536, 315766, 325952, 362992, 401884, 414848, 459296, 499114, 534688, 570416, 631532, 651904, 703297, 725984, 803768, 918592, 998228, 1069376, 1105181, 1140832, 1263064, 1406594, 1451968, 1607536, 1837184, 1996456, 2138752, 2210362, 2281664, 2526128, 2813188, 2903936, 3215072, 3992912, 4420724, 4563328, 5052256, 5626376, 6430144, 7736267, 7985824, 8841448, 10104512, 11252752, 12860288, 15472534, 15971648, 17682896, 20209024, 22505504, 30945068, 31943296, 35365792, 45011008, 61890136, 70731584, 90022016, 123780272, 141463168, 247560544, 495121088, 990242176]

約数ペア:

[(1, 990242176), (2, 495121088), (4, 247560544), (7, 141463168), (8, 123780272), (11, 90022016), (14, 70731584), (16, 61890136), (22, 45011008), (28, 35365792), (31, 31943296), (32, 30945068), (44, 22505504), (49, 20209024), (56, 17682896), (62, 15971648), (64, 15472534), (77, 12860288), (88, 11252752), (98, 10104512), (112, 8841448), (124, 7985824), (128, 7736267), (154, 6430144), (176, 5626376), (196, 5052256), (217, 4563328), (224, 4420724), (248, 3992912), (308, 3215072), (341, 2903936), (352, 2813188), (392, 2526128), (434, 2281664), (448, 2210362), (463, 2138752), (496, 1996456), (539, 1837184), (616, 1607536), (682, 1451968), (704, 1406594), (784, 1263064), (868, 1140832), (896, 1105181), (926, 1069376), (992, 998228), (1078, 918592), (1232, 803768), (1364, 725984), (1408, 703297), (1519, 651904), (1568, 631532), (1736, 570416), (1852, 534688), (1984, 499114), (2156, 459296), (2387, 414848), (2464, 401884), (2728, 362992), (3038, 325952), (3136, 315766), (3241, 305536), (3472, 285208), (3704, 267344), (3968, 249557), (4312, 229648), (4774, 207424), (4928, 200942), (5093, 194432), (5456, 181496), (6076, 162976), (6272, 157883), (6482, 152768), (6944, 142604), (7408, 133672), (8624, 114824), (9548, 103712), (9856, 100471), (10186, 97216), (10912, 90748), (12152, 81488), (12964, 76384), (13888, 71302), (14353, 68992), (14816, 66836), (16709, 59264), (17248, 57412), (19096, 51856), (20372, 48608), (21824, 45374), (22687, 43648), (24304, 40744), (25928, 38192), (27776, 35651), (28706, 34496), (29632, 33418)]