198947840

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 264

約数和(自身を含む): 607664232

約数和(自身を除く): 408716392

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, 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, 11102, 11648, 11956, 12544, 12688, 12740, 13312, 13664, 14560, 14945, 15616, 15680, 15860, 16640, 17080, 17920, 19520, 20384, 22204, 23296, 23912, 25088, 25376, 25480, 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, 77714, 78080, 81536, 88816, 93184, 95648, 101504, 101920, 109312, 111020, 116480, 119560, 125440, 126880, 136640, 155428, 156160, 163072, 177632, 191296, 194285, 203008, 203840, 218624, 222040, 232960, 239120, 250880, 253760, 273280, 310856, 312320, 326144, 355264, 382592, 388570, 406016, 407680, 437248, 444080, 465920, 478240, 507520, 546560, 621712, 652288, 710528, 765184, 777140, 812032, 815360, 888160, 956480, 1015040, 1093120, 1243424, 1421056, 1530368, 1554280, 1630720, 1776320, 1912960, 2030080, 2186240, 2486848, 2842112, 3060736, 3108560, 3261440, 3552640, 3825920, 4060160, 4973696, 5684224, 6217120, 7105280, 7651840, 9947392, 12434240, 14210560, 15303680, 19894784, 24868480, 28421120, 39789568, 49736960, 99473920, 198947840]

約数ペア:

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