209947416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 256

約数和(自身を含む): 690508800

約数和(自身を除く): 480561384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 19, 21, 24, 28, 34, 38, 42, 51, 53, 56, 57, 68, 73, 76, 84, 102, 106, 114, 119, 133, 136, 146, 152, 159, 168, 204, 212, 219, 228, 238, 266, 292, 318, 323, 357, 371, 399, 408, 424, 438, 456, 476, 511, 532, 584, 636, 646, 714, 742, 798, 876, 901, 952, 969, 1007, 1022, 1064, 1113, 1241, 1272, 1292, 1387, 1428, 1484, 1533, 1596, 1752, 1802, 1938, 2014, 2044, 2226, 2261, 2482, 2584, 2703, 2774, 2856, 2968, 3021, 3066, 3192, 3604, 3723, 3869, 3876, 4028, 4088, 4161, 4452, 4522, 4964, 5406, 5548, 6042, 6132, 6307, 6783, 7049, 7208, 7446, 7738, 7752, 8056, 8322, 8687, 8904, 9044, 9709, 9928, 10812, 11096, 11607, 12084, 12264, 12614, 13566, 14098, 14892, 15476, 16644, 17119, 17374, 18088, 18921, 19418, 21147, 21624, 23214, 23579, 24168, 25228, 26061, 27083, 27132, 28196, 29127, 29784, 30952, 33288, 34238, 34748, 37842, 38836, 42294, 46428, 47158, 50456, 51357, 52122, 54166, 54264, 56392, 58254, 65773, 68476, 69496, 70737, 73511, 75684, 77672, 81249, 84588, 92856, 94316, 102714, 104244, 108332, 116508, 119833, 131546, 136952, 141474, 147022, 151368, 162498, 165053, 169176, 188632, 197319, 205428, 208488, 216664, 220533, 233016, 239666, 263092, 282948, 294044, 324996, 330106, 359499, 394638, 410856, 441066, 460411, 479332, 495159, 514577, 526184, 565896, 588088, 649992, 660212, 718998, 789276, 882132, 920822, 958664, 990318, 1029154, 1249687, 1320424, 1381233, 1437996, 1543731, 1578552, 1764264, 1841644, 1980636, 2058308, 2499374, 2762466, 2875992, 3087462, 3683288, 3749061, 3961272, 4116616, 4998748, 5524932, 6174924, 7498122, 8747809, 9997496, 11049864, 12349848, 14996244, 17495618, 26243427, 29992488, 34991236, 52486854, 69982472, 104973708, 209947416]

約数ペア:

[(1, 209947416), (2, 104973708), (3, 69982472), (4, 52486854), (6, 34991236), (7, 29992488), (8, 26243427), (12, 17495618), (14, 14996244), (17, 12349848), (19, 11049864), (21, 9997496), (24, 8747809), (28, 7498122), (34, 6174924), (38, 5524932), (42, 4998748), (51, 4116616), (53, 3961272), (56, 3749061), (57, 3683288), (68, 3087462), (73, 2875992), (76, 2762466), (84, 2499374), (102, 2058308), (106, 1980636), (114, 1841644), (119, 1764264), (133, 1578552), (136, 1543731), (146, 1437996), (152, 1381233), (159, 1320424), (168, 1249687), (204, 1029154), (212, 990318), (219, 958664), (228, 920822), (238, 882132), (266, 789276), (292, 718998), (318, 660212), (323, 649992), (357, 588088), (371, 565896), (399, 526184), (408, 514577), (424, 495159), (438, 479332), (456, 460411), (476, 441066), (511, 410856), (532, 394638), (584, 359499), (636, 330106), (646, 324996), (714, 294044), (742, 282948), (798, 263092), (876, 239666), (901, 233016), (952, 220533), (969, 216664), (1007, 208488), (1022, 205428), (1064, 197319), (1113, 188632), (1241, 169176), (1272, 165053), (1292, 162498), (1387, 151368), (1428, 147022), (1484, 141474), (1533, 136952), (1596, 131546), (1752, 119833), (1802, 116508), (1938, 108332), (2014, 104244), (2044, 102714), (2226, 94316), (2261, 92856), (2482, 84588), (2584, 81249), (2703, 77672), (2774, 75684), (2856, 73511), (2968, 70737), (3021, 69496), (3066, 68476), (3192, 65773), (3604, 58254), (3723, 56392), (3869, 54264), (3876, 54166), (4028, 52122), (4088, 51357), (4161, 50456), (4452, 47158), (4522, 46428), (4964, 42294), (5406, 38836), (5548, 37842), (6042, 34748), (6132, 34238), (6307, 33288), (6783, 30952), (7049, 29784), (7208, 29127), (7446, 28196), (7738, 27132), (7752, 27083), (8056, 26061), (8322, 25228), (8687, 24168), (8904, 23579), (9044, 23214), (9709, 21624), (9928, 21147), (10812, 19418), (11096, 18921), (11607, 18088), (12084, 17374), (12264, 17119), (12614, 16644), (13566, 15476), (14098, 14892)]