491516928

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 264

約数和(自身を含む): 1711619520

約数和(自身を除く): 1220102592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 64, 72, 76, 84, 96, 112, 114, 126, 128, 133, 144, 152, 168, 171, 192, 224, 228, 252, 256, 266, 288, 304, 336, 342, 384, 399, 401, 448, 456, 504, 512, 532, 576, 608, 672, 684, 768, 798, 802, 896, 912, 1008, 1024, 1064, 1152, 1197, 1203, 1216, 1344, 1368, 1536, 1596, 1604, 1792, 1824, 2016, 2128, 2304, 2394, 2406, 2432, 2688, 2736, 2807, 3072, 3192, 3208, 3584, 3609, 3648, 4032, 4256, 4608, 4788, 4812, 4864, 5376, 5472, 5614, 6384, 6416, 7168, 7218, 7296, 7619, 8064, 8421, 8512, 9216, 9576, 9624, 9728, 10752, 10944, 11228, 12768, 12832, 14436, 14592, 15238, 16128, 16842, 17024, 19152, 19248, 19456, 21504, 21888, 22456, 22857, 25263, 25536, 25664, 28872, 29184, 30476, 32256, 33684, 34048, 38304, 38496, 43776, 44912, 45714, 50526, 51072, 51328, 53333, 57744, 58368, 60952, 64512, 67368, 68096, 68571, 76608, 76992, 87552, 89824, 91428, 101052, 102144, 102656, 106666, 115488, 121904, 134736, 136192, 137142, 153216, 153984, 159999, 175104, 179648, 182856, 202104, 204288, 205312, 213332, 230976, 243808, 269472, 274284, 306432, 307968, 319998, 359296, 365712, 404208, 408576, 410624, 426664, 461952, 479997, 487616, 538944, 548568, 612864, 615936, 639996, 718592, 731424, 808416, 853328, 923904, 959994, 975232, 1077888, 1097136, 1225728, 1231872, 1279992, 1437184, 1462848, 1616832, 1706656, 1847808, 1919988, 1950464, 2155776, 2194272, 2559984, 2874368, 2925696, 3233664, 3413312, 3695616, 3839976, 3900928, 4311552, 4388544, 5119968, 5851392, 6467328, 6826624, 7679952, 7801856, 8623104, 8777088, 10239936, 11702784, 12934656, 13653248, 15359904, 17554176, 20479872, 23405568, 25869312, 27306496, 30719808, 35108352, 40959744, 54612992, 61439616, 70216704, 81919488, 122879232, 163838976, 245758464, 491516928]

約数ペア:

[(1, 491516928), (2, 245758464), (3, 163838976), (4, 122879232), (6, 81919488), (7, 70216704), (8, 61439616), (9, 54612992), (12, 40959744), (14, 35108352), (16, 30719808), (18, 27306496), (19, 25869312), (21, 23405568), (24, 20479872), (28, 17554176), (32, 15359904), (36, 13653248), (38, 12934656), (42, 11702784), (48, 10239936), (56, 8777088), (57, 8623104), (63, 7801856), (64, 7679952), (72, 6826624), (76, 6467328), (84, 5851392), (96, 5119968), (112, 4388544), (114, 4311552), (126, 3900928), (128, 3839976), (133, 3695616), (144, 3413312), (152, 3233664), (168, 2925696), (171, 2874368), (192, 2559984), (224, 2194272), (228, 2155776), (252, 1950464), (256, 1919988), (266, 1847808), (288, 1706656), (304, 1616832), (336, 1462848), (342, 1437184), (384, 1279992), (399, 1231872), (401, 1225728), (448, 1097136), (456, 1077888), (504, 975232), (512, 959994), (532, 923904), (576, 853328), (608, 808416), (672, 731424), (684, 718592), (768, 639996), (798, 615936), (802, 612864), (896, 548568), (912, 538944), (1008, 487616), (1024, 479997), (1064, 461952), (1152, 426664), (1197, 410624), (1203, 408576), (1216, 404208), (1344, 365712), (1368, 359296), (1536, 319998), (1596, 307968), (1604, 306432), (1792, 274284), (1824, 269472), (2016, 243808), (2128, 230976), (2304, 213332), (2394, 205312), (2406, 204288), (2432, 202104), (2688, 182856), (2736, 179648), (2807, 175104), (3072, 159999), (3192, 153984), (3208, 153216), (3584, 137142), (3609, 136192), (3648, 134736), (4032, 121904), (4256, 115488), (4608, 106666), (4788, 102656), (4812, 102144), (4864, 101052), (5376, 91428), (5472, 89824), (5614, 87552), (6384, 76992), (6416, 76608), (7168, 68571), (7218, 68096), (7296, 67368), (7619, 64512), (8064, 60952), (8421, 58368), (8512, 57744), (9216, 53333), (9576, 51328), (9624, 51072), (9728, 50526), (10752, 45714), (10944, 44912), (11228, 43776), (12768, 38496), (12832, 38304), (14436, 34048), (14592, 33684), (15238, 32256), (16128, 30476), (16842, 29184), (17024, 28872), (19152, 25664), (19248, 25536), (19456, 25263), (21504, 22857), (21888, 22456)]