278121088

素因数分解:

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

素因数の和:119

約数の個数: 192

約数和(自身を含む): 729259200

約数和(自身を除く): 451138112

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 31, 32, 34, 38, 56, 62, 64, 68, 76, 112, 119, 124, 128, 133, 136, 152, 217, 224, 238, 248, 266, 272, 304, 323, 434, 448, 476, 496, 527, 532, 544, 589, 608, 646, 868, 896, 952, 961, 992, 1054, 1064, 1088, 1178, 1216, 1292, 1736, 1904, 1922, 1984, 2108, 2128, 2176, 2261, 2356, 2432, 2584, 3472, 3689, 3808, 3844, 3968, 4123, 4216, 4256, 4522, 4712, 5168, 6727, 6944, 7378, 7616, 7688, 8246, 8432, 8512, 9044, 9424, 10013, 10336, 13454, 13888, 14756, 15232, 15376, 16337, 16492, 16864, 17024, 18088, 18259, 18848, 20026, 20672, 26908, 27776, 29512, 30752, 32674, 32984, 33728, 36176, 36518, 37696, 40052, 41344, 53816, 59024, 61504, 65348, 65968, 67456, 70091, 72352, 73036, 75392, 80104, 107632, 114359, 118048, 123008, 127813, 130696, 131936, 140182, 144704, 146072, 160208, 215264, 228718, 236096, 255626, 261392, 263872, 280364, 289408, 292144, 310403, 320416, 430528, 457436, 472192, 511252, 522784, 527744, 560728, 584288, 620806, 640832, 861056, 914872, 1022504, 1045568, 1121456, 1168576, 1241612, 1281664, 1829744, 2045008, 2091136, 2172821, 2242912, 2337152, 2483224, 3659488, 4090016, 4345642, 4485824, 4966448, 7318976, 8180032, 8691284, 8971648, 9932896, 14637952, 16360064, 17382568, 19865792, 34765136, 39731584, 69530272, 139060544, 278121088]

約数ペア:

[(1, 278121088), (2, 139060544), (4, 69530272), (7, 39731584), (8, 34765136), (14, 19865792), (16, 17382568), (17, 16360064), (19, 14637952), (28, 9932896), (31, 8971648), (32, 8691284), (34, 8180032), (38, 7318976), (56, 4966448), (62, 4485824), (64, 4345642), (68, 4090016), (76, 3659488), (112, 2483224), (119, 2337152), (124, 2242912), (128, 2172821), (133, 2091136), (136, 2045008), (152, 1829744), (217, 1281664), (224, 1241612), (238, 1168576), (248, 1121456), (266, 1045568), (272, 1022504), (304, 914872), (323, 861056), (434, 640832), (448, 620806), (476, 584288), (496, 560728), (527, 527744), (532, 522784), (544, 511252), (589, 472192), (608, 457436), (646, 430528), (868, 320416), (896, 310403), (952, 292144), (961, 289408), (992, 280364), (1054, 263872), (1064, 261392), (1088, 255626), (1178, 236096), (1216, 228718), (1292, 215264), (1736, 160208), (1904, 146072), (1922, 144704), (1984, 140182), (2108, 131936), (2128, 130696), (2176, 127813), (2261, 123008), (2356, 118048), (2432, 114359), (2584, 107632), (3472, 80104), (3689, 75392), (3808, 73036), (3844, 72352), (3968, 70091), (4123, 67456), (4216, 65968), (4256, 65348), (4522, 61504), (4712, 59024), (5168, 53816), (6727, 41344), (6944, 40052), (7378, 37696), (7616, 36518), (7688, 36176), (8246, 33728), (8432, 32984), (8512, 32674), (9044, 30752), (9424, 29512), (10013, 27776), (10336, 26908), (13454, 20672), (13888, 20026), (14756, 18848), (15232, 18259), (15376, 18088), (16337, 17024), (16492, 16864)]