489717760

素因数分解:

$2^{15}\times 5^1\times 7^2\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 192

約数和(自身を含む): 1389604140

約数和(自身を除く): 899886380

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 64, 70, 80, 98, 112, 122, 128, 140, 160, 196, 224, 244, 245, 256, 280, 305, 320, 392, 427, 448, 488, 490, 512, 560, 610, 640, 784, 854, 896, 976, 980, 1024, 1120, 1220, 1280, 1568, 1708, 1792, 1952, 1960, 2048, 2135, 2240, 2440, 2560, 2989, 3136, 3416, 3584, 3904, 3920, 4096, 4270, 4480, 4880, 5120, 5978, 6272, 6832, 7168, 7808, 7840, 8192, 8540, 8960, 9760, 10240, 11956, 12544, 13664, 14336, 14945, 15616, 15680, 16384, 17080, 17920, 19520, 20480, 23912, 25088, 27328, 28672, 29890, 31232, 31360, 32768, 34160, 35840, 39040, 40960, 47824, 50176, 54656, 57344, 59780, 62464, 62720, 68320, 71680, 78080, 81920, 95648, 100352, 109312, 114688, 119560, 124928, 125440, 136640, 143360, 156160, 163840, 191296, 200704, 218624, 229376, 239120, 249856, 250880, 273280, 286720, 312320, 382592, 401408, 437248, 478240, 499712, 501760, 546560, 573440, 624640, 765184, 802816, 874496, 956480, 999424, 1003520, 1093120, 1146880, 1249280, 1530368, 1605632, 1748992, 1912960, 1998848, 2007040, 2186240, 2498560, 3060736, 3497984, 3825920, 4014080, 4372480, 4997120, 6121472, 6995968, 7651840, 8028160, 8744960, 9994240, 12242944, 13991936, 15303680, 17489920, 24485888, 30607360, 34979840, 48971776, 61214720, 69959680, 97943552, 122429440, 244858880, 489717760]

約数ペア:

[(1, 489717760), (2, 244858880), (4, 122429440), (5, 97943552), (7, 69959680), (8, 61214720), (10, 48971776), (14, 34979840), (16, 30607360), (20, 24485888), (28, 17489920), (32, 15303680), (35, 13991936), (40, 12242944), (49, 9994240), (56, 8744960), (61, 8028160), (64, 7651840), (70, 6995968), (80, 6121472), (98, 4997120), (112, 4372480), (122, 4014080), (128, 3825920), (140, 3497984), (160, 3060736), (196, 2498560), (224, 2186240), (244, 2007040), (245, 1998848), (256, 1912960), (280, 1748992), (305, 1605632), (320, 1530368), (392, 1249280), (427, 1146880), (448, 1093120), (488, 1003520), (490, 999424), (512, 956480), (560, 874496), (610, 802816), (640, 765184), (784, 624640), (854, 573440), (896, 546560), (976, 501760), (980, 499712), (1024, 478240), (1120, 437248), (1220, 401408), (1280, 382592), (1568, 312320), (1708, 286720), (1792, 273280), (1952, 250880), (1960, 249856), (2048, 239120), (2135, 229376), (2240, 218624), (2440, 200704), (2560, 191296), (2989, 163840), (3136, 156160), (3416, 143360), (3584, 136640), (3904, 125440), (3920, 124928), (4096, 119560), (4270, 114688), (4480, 109312), (4880, 100352), (5120, 95648), (5978, 81920), (6272, 78080), (6832, 71680), (7168, 68320), (7808, 62720), (7840, 62464), (8192, 59780), (8540, 57344), (8960, 54656), (9760, 50176), (10240, 47824), (11956, 40960), (12544, 39040), (13664, 35840), (14336, 34160), (14945, 32768), (15616, 31360), (15680, 31232), (16384, 29890), (17080, 28672), (17920, 27328), (19520, 25088), (20480, 23912)]