251206144

素因数分解:

$2^9\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 240

約数和(自身を含む): 671742720

約数和(自身を除く): 420536576

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 31, 32, 34, 38, 49, 56, 62, 64, 68, 76, 98, 112, 119, 124, 128, 133, 136, 152, 196, 217, 224, 238, 248, 256, 266, 272, 304, 323, 392, 434, 448, 476, 496, 512, 527, 532, 544, 589, 608, 646, 784, 833, 868, 896, 931, 952, 992, 1054, 1064, 1088, 1178, 1216, 1292, 1519, 1568, 1666, 1736, 1792, 1862, 1904, 1984, 2108, 2128, 2176, 2261, 2356, 2432, 2584, 3038, 3136, 3332, 3472, 3584, 3689, 3724, 3808, 3968, 4123, 4216, 4256, 4352, 4522, 4712, 4864, 5168, 6076, 6272, 6664, 6944, 7378, 7448, 7616, 7936, 8246, 8432, 8512, 8704, 9044, 9424, 9728, 10013, 10336, 12152, 12544, 13328, 13888, 14756, 14896, 15232, 15827, 15872, 16492, 16864, 17024, 18088, 18848, 20026, 20672, 24304, 25088, 25823, 26656, 27776, 28861, 29512, 29792, 30464, 31654, 32984, 33728, 34048, 36176, 37696, 40052, 41344, 48608, 51646, 53312, 55552, 57722, 59024, 59584, 60928, 63308, 65968, 67456, 68096, 70091, 72352, 75392, 80104, 82688, 97216, 103292, 106624, 111104, 115444, 118048, 119168, 126616, 131936, 134912, 140182, 144704, 150784, 160208, 165376, 194432, 206584, 213248, 230888, 236096, 238336, 253232, 263872, 269824, 280364, 289408, 301568, 320416, 388864, 413168, 426496, 461776, 472192, 476672, 490637, 506464, 527744, 560728, 578816, 640832, 777728, 826336, 923552, 944384, 981274, 1012928, 1055488, 1121456, 1157632, 1281664, 1652672, 1847104, 1888768, 1962548, 2025856, 2110976, 2242912, 2563328, 3305344, 3694208, 3925096, 4051712, 4485824, 5126656, 6610688, 7388416, 7850192, 8103424, 8971648, 13221376, 14776832, 15700384, 17943296, 31400768, 35886592, 62801536, 125603072, 251206144]

約数ペア:

[(1, 251206144), (2, 125603072), (4, 62801536), (7, 35886592), (8, 31400768), (14, 17943296), (16, 15700384), (17, 14776832), (19, 13221376), (28, 8971648), (31, 8103424), (32, 7850192), (34, 7388416), (38, 6610688), (49, 5126656), (56, 4485824), (62, 4051712), (64, 3925096), (68, 3694208), (76, 3305344), (98, 2563328), (112, 2242912), (119, 2110976), (124, 2025856), (128, 1962548), (133, 1888768), (136, 1847104), (152, 1652672), (196, 1281664), (217, 1157632), (224, 1121456), (238, 1055488), (248, 1012928), (256, 981274), (266, 944384), (272, 923552), (304, 826336), (323, 777728), (392, 640832), (434, 578816), (448, 560728), (476, 527744), (496, 506464), (512, 490637), (527, 476672), (532, 472192), (544, 461776), (589, 426496), (608, 413168), (646, 388864), (784, 320416), (833, 301568), (868, 289408), (896, 280364), (931, 269824), (952, 263872), (992, 253232), (1054, 238336), (1064, 236096), (1088, 230888), (1178, 213248), (1216, 206584), (1292, 194432), (1519, 165376), (1568, 160208), (1666, 150784), (1736, 144704), (1792, 140182), (1862, 134912), (1904, 131936), (1984, 126616), (2108, 119168), (2128, 118048), (2176, 115444), (2261, 111104), (2356, 106624), (2432, 103292), (2584, 97216), (3038, 82688), (3136, 80104), (3332, 75392), (3472, 72352), (3584, 70091), (3689, 68096), (3724, 67456), (3808, 65968), (3968, 63308), (4123, 60928), (4216, 59584), (4256, 59024), (4352, 57722), (4522, 55552), (4712, 53312), (4864, 51646), (5168, 48608), (6076, 41344), (6272, 40052), (6664, 37696), (6944, 36176), (7378, 34048), (7448, 33728), (7616, 32984), (7936, 31654), (8246, 30464), (8432, 29792), (8512, 29512), (8704, 28861), (9044, 27776), (9424, 26656), (9728, 25823), (10013, 25088), (10336, 24304), (12152, 20672), (12544, 20026), (13328, 18848), (13888, 18088), (14756, 17024), (14896, 16864), (15232, 16492), (15827, 15872)]