209250496

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 224

約数和(自身を含む): 564408320

約数和(自身を除く): 355157824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 32, 38, 52, 56, 61, 62, 64, 76, 91, 104, 112, 122, 124, 133, 152, 182, 208, 217, 224, 244, 247, 248, 266, 304, 364, 403, 416, 427, 434, 448, 488, 494, 496, 532, 589, 608, 728, 793, 806, 832, 854, 868, 976, 988, 992, 1064, 1159, 1178, 1216, 1456, 1586, 1612, 1708, 1729, 1736, 1891, 1952, 1976, 1984, 2128, 2318, 2356, 2821, 2912, 3172, 3224, 3416, 3458, 3472, 3782, 3904, 3952, 4123, 4256, 4636, 4712, 5551, 5642, 5824, 6344, 6448, 6832, 6916, 6944, 7564, 7657, 7904, 8113, 8246, 8512, 9272, 9424, 11102, 11284, 12688, 12896, 13237, 13664, 13832, 13888, 15067, 15128, 15314, 15808, 16226, 16492, 18544, 18848, 22204, 22568, 24583, 25376, 25792, 26474, 27328, 27664, 30134, 30256, 30628, 32452, 32984, 35929, 37088, 37696, 44408, 45136, 49166, 50752, 52948, 53599, 55328, 60268, 60512, 61256, 64904, 65968, 71858, 74176, 88816, 90272, 98332, 105469, 105896, 107198, 110656, 120536, 121024, 122512, 129808, 131936, 143716, 172081, 177632, 180544, 196664, 210938, 211792, 214396, 241072, 245024, 251503, 259616, 263872, 287432, 344162, 355264, 393328, 421876, 423584, 428792, 467077, 482144, 490048, 503006, 519232, 574864, 688324, 786656, 843752, 847168, 857584, 934154, 964288, 1006012, 1149728, 1376648, 1573312, 1687504, 1715168, 1868308, 2012024, 2299456, 2753296, 3269539, 3375008, 3430336, 3736616, 4024048, 5506592, 6539078, 6750016, 7473232, 8048096, 11013184, 13078156, 14946464, 16096192, 26156312, 29892928, 52312624, 104625248, 209250496]

約数ペア:

[(1, 209250496), (2, 104625248), (4, 52312624), (7, 29892928), (8, 26156312), (13, 16096192), (14, 14946464), (16, 13078156), (19, 11013184), (26, 8048096), (28, 7473232), (31, 6750016), (32, 6539078), (38, 5506592), (52, 4024048), (56, 3736616), (61, 3430336), (62, 3375008), (64, 3269539), (76, 2753296), (91, 2299456), (104, 2012024), (112, 1868308), (122, 1715168), (124, 1687504), (133, 1573312), (152, 1376648), (182, 1149728), (208, 1006012), (217, 964288), (224, 934154), (244, 857584), (247, 847168), (248, 843752), (266, 786656), (304, 688324), (364, 574864), (403, 519232), (416, 503006), (427, 490048), (434, 482144), (448, 467077), (488, 428792), (494, 423584), (496, 421876), (532, 393328), (589, 355264), (608, 344162), (728, 287432), (793, 263872), (806, 259616), (832, 251503), (854, 245024), (868, 241072), (976, 214396), (988, 211792), (992, 210938), (1064, 196664), (1159, 180544), (1178, 177632), (1216, 172081), (1456, 143716), (1586, 131936), (1612, 129808), (1708, 122512), (1729, 121024), (1736, 120536), (1891, 110656), (1952, 107198), (1976, 105896), (1984, 105469), (2128, 98332), (2318, 90272), (2356, 88816), (2821, 74176), (2912, 71858), (3172, 65968), (3224, 64904), (3416, 61256), (3458, 60512), (3472, 60268), (3782, 55328), (3904, 53599), (3952, 52948), (4123, 50752), (4256, 49166), (4636, 45136), (4712, 44408), (5551, 37696), (5642, 37088), (5824, 35929), (6344, 32984), (6448, 32452), (6832, 30628), (6916, 30256), (6944, 30134), (7564, 27664), (7657, 27328), (7904, 26474), (8113, 25792), (8246, 25376), (8512, 24583), (9272, 22568), (9424, 22204), (11102, 18848), (11284, 18544), (12688, 16492), (12896, 16226), (13237, 15808), (13664, 15314), (13832, 15128), (13888, 15067)]