397895680

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 288

約数和(自身を含む): 1215625320

約数和(自身を除く): 817729640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 61, 64, 65, 70, 80, 91, 98, 104, 112, 122, 128, 130, 140, 160, 182, 196, 208, 224, 244, 245, 256, 260, 280, 305, 320, 364, 392, 416, 427, 448, 455, 488, 490, 512, 520, 560, 610, 637, 640, 728, 784, 793, 832, 854, 896, 910, 976, 980, 1024, 1040, 1120, 1220, 1274, 1280, 1456, 1568, 1586, 1664, 1708, 1792, 1820, 1952, 1960, 2048, 2080, 2135, 2240, 2440, 2548, 2560, 2912, 2989, 3136, 3172, 3185, 3328, 3416, 3584, 3640, 3904, 3920, 3965, 4160, 4270, 4480, 4880, 5096, 5120, 5551, 5824, 5978, 6272, 6344, 6370, 6656, 6832, 7168, 7280, 7808, 7840, 7930, 8320, 8540, 8960, 9760, 10192, 10240, 11102, 11648, 11956, 12544, 12688, 12740, 13312, 13664, 14336, 14560, 14945, 15616, 15680, 15860, 16640, 17080, 17920, 19520, 20384, 22204, 23296, 23912, 25088, 25376, 25480, 26624, 27328, 27755, 29120, 29890, 31232, 31360, 31720, 33280, 34160, 35840, 38857, 39040, 40768, 44408, 46592, 47824, 50176, 50752, 50960, 54656, 55510, 58240, 59780, 62464, 62720, 63440, 66560, 68320, 71680, 77714, 78080, 81536, 88816, 93184, 95648, 100352, 101504, 101920, 109312, 111020, 116480, 119560, 124928, 125440, 126880, 133120, 136640, 155428, 156160, 163072, 177632, 186368, 191296, 194285, 203008, 203840, 218624, 222040, 232960, 239120, 250880, 253760, 273280, 310856, 312320, 326144, 355264, 382592, 388570, 406016, 407680, 437248, 444080, 465920, 478240, 501760, 507520, 546560, 621712, 624640, 652288, 710528, 765184, 777140, 812032, 815360, 874496, 888160, 931840, 956480, 1015040, 1093120, 1243424, 1304576, 1421056, 1530368, 1554280, 1624064, 1630720, 1776320, 1912960, 2030080, 2186240, 2486848, 2842112, 3060736, 3108560, 3261440, 3552640, 3825920, 4060160, 4372480, 4973696, 5684224, 6121472, 6217120, 6522880, 7105280, 7651840, 8120320, 9947392, 11368448, 12434240, 14210560, 15303680, 19894784, 24868480, 28421120, 30607360, 39789568, 49736960, 56842240, 79579136, 99473920, 198947840, 397895680]

約数ペア:

[(1, 397895680), (2, 198947840), (4, 99473920), (5, 79579136), (7, 56842240), (8, 49736960), (10, 39789568), (13, 30607360), (14, 28421120), (16, 24868480), (20, 19894784), (26, 15303680), (28, 14210560), (32, 12434240), (35, 11368448), (40, 9947392), (49, 8120320), (52, 7651840), (56, 7105280), (61, 6522880), (64, 6217120), (65, 6121472), (70, 5684224), (80, 4973696), (91, 4372480), (98, 4060160), (104, 3825920), (112, 3552640), (122, 3261440), (128, 3108560), (130, 3060736), (140, 2842112), (160, 2486848), (182, 2186240), (196, 2030080), (208, 1912960), (224, 1776320), (244, 1630720), (245, 1624064), (256, 1554280), (260, 1530368), (280, 1421056), (305, 1304576), (320, 1243424), (364, 1093120), (392, 1015040), (416, 956480), (427, 931840), (448, 888160), (455, 874496), (488, 815360), (490, 812032), (512, 777140), (520, 765184), (560, 710528), (610, 652288), (637, 624640), (640, 621712), (728, 546560), (784, 507520), (793, 501760), (832, 478240), (854, 465920), (896, 444080), (910, 437248), (976, 407680), (980, 406016), (1024, 388570), (1040, 382592), (1120, 355264), (1220, 326144), (1274, 312320), (1280, 310856), (1456, 273280), (1568, 253760), (1586, 250880), (1664, 239120), (1708, 232960), (1792, 222040), (1820, 218624), (1952, 203840), (1960, 203008), (2048, 194285), (2080, 191296), (2135, 186368), (2240, 177632), (2440, 163072), (2548, 156160), (2560, 155428), (2912, 136640), (2989, 133120), (3136, 126880), (3172, 125440), (3185, 124928), (3328, 119560), (3416, 116480), (3584, 111020), (3640, 109312), (3904, 101920), (3920, 101504), (3965, 100352), (4160, 95648), (4270, 93184), (4480, 88816), (4880, 81536), (5096, 78080), (5120, 77714), (5551, 71680), (5824, 68320), (5978, 66560), (6272, 63440), (6344, 62720), (6370, 62464), (6656, 59780), (6832, 58240), (7168, 55510), (7280, 54656), (7808, 50960), (7840, 50752), (7930, 50176), (8320, 47824), (8540, 46592), (8960, 44408), (9760, 40768), (10192, 39040), (10240, 38857), (11102, 35840), (11648, 34160), (11956, 33280), (12544, 31720), (12688, 31360), (12740, 31232), (13312, 29890), (13664, 29120), (14336, 27755), (14560, 27328), (14945, 26624), (15616, 25480), (15680, 25376), (15860, 25088), (16640, 23912), (17080, 23296), (17920, 22204), (19520, 20384)]