138893440

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 192

約数和(自身を含む): 399072960

約数和(自身を除く): 260179520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 64, 70, 80, 86, 98, 103, 112, 128, 140, 160, 172, 196, 206, 215, 224, 245, 280, 301, 320, 344, 392, 412, 430, 448, 490, 515, 560, 602, 640, 688, 721, 784, 824, 860, 896, 980, 1030, 1120, 1204, 1376, 1442, 1505, 1568, 1648, 1720, 1960, 2060, 2107, 2240, 2408, 2752, 2884, 3010, 3136, 3296, 3440, 3605, 3920, 4120, 4214, 4429, 4480, 4816, 5047, 5504, 5768, 6020, 6272, 6592, 6880, 7210, 7840, 8240, 8428, 8858, 9632, 10094, 10535, 11536, 12040, 13184, 13760, 14420, 15680, 16480, 16856, 17716, 19264, 20188, 21070, 22145, 23072, 24080, 25235, 27520, 28840, 31003, 31360, 32960, 33712, 35432, 38528, 40376, 42140, 44290, 46144, 48160, 50470, 57680, 62006, 65920, 67424, 70864, 80752, 84280, 88580, 92288, 96320, 100940, 115360, 124012, 134848, 141728, 155015, 161504, 168560, 177160, 192640, 201880, 217021, 230720, 248024, 269696, 283456, 310030, 323008, 337120, 354320, 403760, 434042, 461440, 496048, 566912, 620060, 646016, 674240, 708640, 807520, 868084, 992096, 1085105, 1240120, 1348480, 1417280, 1615040, 1736168, 1984192, 2170210, 2480240, 2834560, 3230080, 3472336, 3968384, 4340420, 4960480, 6944672, 8680840, 9920960, 13889344, 17361680, 19841920, 27778688, 34723360, 69446720, 138893440]

約数ペア:

[(1, 138893440), (2, 69446720), (4, 34723360), (5, 27778688), (7, 19841920), (8, 17361680), (10, 13889344), (14, 9920960), (16, 8680840), (20, 6944672), (28, 4960480), (32, 4340420), (35, 3968384), (40, 3472336), (43, 3230080), (49, 2834560), (56, 2480240), (64, 2170210), (70, 1984192), (80, 1736168), (86, 1615040), (98, 1417280), (103, 1348480), (112, 1240120), (128, 1085105), (140, 992096), (160, 868084), (172, 807520), (196, 708640), (206, 674240), (215, 646016), (224, 620060), (245, 566912), (280, 496048), (301, 461440), (320, 434042), (344, 403760), (392, 354320), (412, 337120), (430, 323008), (448, 310030), (490, 283456), (515, 269696), (560, 248024), (602, 230720), (640, 217021), (688, 201880), (721, 192640), (784, 177160), (824, 168560), (860, 161504), (896, 155015), (980, 141728), (1030, 134848), (1120, 124012), (1204, 115360), (1376, 100940), (1442, 96320), (1505, 92288), (1568, 88580), (1648, 84280), (1720, 80752), (1960, 70864), (2060, 67424), (2107, 65920), (2240, 62006), (2408, 57680), (2752, 50470), (2884, 48160), (3010, 46144), (3136, 44290), (3296, 42140), (3440, 40376), (3605, 38528), (3920, 35432), (4120, 33712), (4214, 32960), (4429, 31360), (4480, 31003), (4816, 28840), (5047, 27520), (5504, 25235), (5768, 24080), (6020, 23072), (6272, 22145), (6592, 21070), (6880, 20188), (7210, 19264), (7840, 17716), (8240, 16856), (8428, 16480), (8858, 15680), (9632, 14420), (10094, 13760), (10535, 13184), (11536, 12040)]