254438576

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:120

約数の個数: 180

約数和(自身を含む): 646297920

約数和(自身を除く): 391859344

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 31, 38, 49, 56, 58, 62, 76, 98, 112, 116, 124, 133, 152, 196, 203, 217, 232, 248, 266, 304, 361, 392, 406, 434, 464, 496, 532, 551, 589, 722, 784, 812, 868, 899, 931, 1064, 1102, 1178, 1421, 1444, 1519, 1624, 1736, 1798, 1862, 2128, 2204, 2356, 2527, 2842, 2888, 3038, 3248, 3472, 3596, 3724, 3857, 4123, 4408, 4712, 5054, 5684, 5776, 6076, 6293, 7192, 7448, 7714, 8246, 8816, 9424, 10108, 10469, 11191, 11368, 12152, 12586, 14384, 14896, 15428, 16492, 17081, 17689, 20216, 20938, 22382, 22736, 24304, 25172, 26999, 28861, 30856, 32984, 34162, 35378, 40432, 41876, 44051, 44764, 50344, 53998, 57722, 61712, 65968, 68324, 70756, 73283, 78337, 83752, 88102, 89528, 100688, 107996, 115444, 119567, 136648, 141512, 146566, 156674, 167504, 176204, 179056, 215992, 230888, 239134, 273296, 283024, 293132, 313348, 324539, 352408, 431984, 461776, 478268, 512981, 548359, 586264, 626696, 649078, 704816, 836969, 956536, 1025962, 1096718, 1172528, 1253392, 1298156, 1673938, 1913072, 2051924, 2193436, 2271773, 2596312, 3347876, 4103848, 4386872, 4543546, 5192624, 6695752, 8207696, 8773744, 9087092, 13391504, 15902411, 18174184, 31804822, 36348368, 63609644, 127219288, 254438576]

約数ペア:

[(1, 254438576), (2, 127219288), (4, 63609644), (7, 36348368), (8, 31804822), (14, 18174184), (16, 15902411), (19, 13391504), (28, 9087092), (29, 8773744), (31, 8207696), (38, 6695752), (49, 5192624), (56, 4543546), (58, 4386872), (62, 4103848), (76, 3347876), (98, 2596312), (112, 2271773), (116, 2193436), (124, 2051924), (133, 1913072), (152, 1673938), (196, 1298156), (203, 1253392), (217, 1172528), (232, 1096718), (248, 1025962), (266, 956536), (304, 836969), (361, 704816), (392, 649078), (406, 626696), (434, 586264), (464, 548359), (496, 512981), (532, 478268), (551, 461776), (589, 431984), (722, 352408), (784, 324539), (812, 313348), (868, 293132), (899, 283024), (931, 273296), (1064, 239134), (1102, 230888), (1178, 215992), (1421, 179056), (1444, 176204), (1519, 167504), (1624, 156674), (1736, 146566), (1798, 141512), (1862, 136648), (2128, 119567), (2204, 115444), (2356, 107996), (2527, 100688), (2842, 89528), (2888, 88102), (3038, 83752), (3248, 78337), (3472, 73283), (3596, 70756), (3724, 68324), (3857, 65968), (4123, 61712), (4408, 57722), (4712, 53998), (5054, 50344), (5684, 44764), (5776, 44051), (6076, 41876), (6293, 40432), (7192, 35378), (7448, 34162), (7714, 32984), (8246, 30856), (8816, 28861), (9424, 26999), (10108, 25172), (10469, 24304), (11191, 22736), (11368, 22382), (12152, 20938), (12586, 20216), (14384, 17689), (14896, 17081), (15428, 16492)]