257900328

素因数分解:

$2^3\times 3^3\times 7^3\times {\mathrm{59}}^2$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 849840000

約数和(自身を除く): 591939672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 59, 63, 72, 84, 98, 108, 118, 126, 147, 168, 177, 189, 196, 216, 236, 252, 294, 343, 354, 378, 392, 413, 441, 472, 504, 531, 588, 686, 708, 756, 826, 882, 1029, 1062, 1176, 1239, 1323, 1372, 1416, 1512, 1593, 1652, 1764, 2058, 2124, 2478, 2646, 2744, 2891, 3087, 3186, 3304, 3481, 3528, 3717, 4116, 4248, 4956, 5292, 5782, 6174, 6372, 6962, 7434, 8232, 8673, 9261, 9912, 10443, 10584, 11151, 11564, 12348, 12744, 13924, 14868, 17346, 18522, 20237, 20886, 22302, 23128, 24367, 24696, 26019, 27848, 29736, 31329, 34692, 37044, 40474, 41772, 44604, 48734, 52038, 60711, 62658, 69384, 73101, 74088, 78057, 80948, 83544, 89208, 93987, 97468, 104076, 121422, 125316, 146202, 156114, 161896, 170569, 182133, 187974, 194936, 208152, 219303, 242844, 250632, 292404, 312228, 341138, 364266, 375948, 438606, 485688, 511707, 546399, 584808, 624456, 657909, 682276, 728532, 751896, 877212, 1023414, 1092798, 1193983, 1315818, 1364552, 1457064, 1535121, 1754424, 2046828, 2185596, 2387966, 2631636, 3070242, 3581949, 4093656, 4371192, 4605363, 4775932, 5263272, 6140484, 7163898, 9210726, 9551864, 10745847, 12280968, 14327796, 18421452, 21491694, 28655592, 32237541, 36842904, 42983388, 64475082, 85966776, 128950164, 257900328]

約数ペア:

[(1, 257900328), (2, 128950164), (3, 85966776), (4, 64475082), (6, 42983388), (7, 36842904), (8, 32237541), (9, 28655592), (12, 21491694), (14, 18421452), (18, 14327796), (21, 12280968), (24, 10745847), (27, 9551864), (28, 9210726), (36, 7163898), (42, 6140484), (49, 5263272), (54, 4775932), (56, 4605363), (59, 4371192), (63, 4093656), (72, 3581949), (84, 3070242), (98, 2631636), (108, 2387966), (118, 2185596), (126, 2046828), (147, 1754424), (168, 1535121), (177, 1457064), (189, 1364552), (196, 1315818), (216, 1193983), (236, 1092798), (252, 1023414), (294, 877212), (343, 751896), (354, 728532), (378, 682276), (392, 657909), (413, 624456), (441, 584808), (472, 546399), (504, 511707), (531, 485688), (588, 438606), (686, 375948), (708, 364266), (756, 341138), (826, 312228), (882, 292404), (1029, 250632), (1062, 242844), (1176, 219303), (1239, 208152), (1323, 194936), (1372, 187974), (1416, 182133), (1512, 170569), (1593, 161896), (1652, 156114), (1764, 146202), (2058, 125316), (2124, 121422), (2478, 104076), (2646, 97468), (2744, 93987), (2891, 89208), (3087, 83544), (3186, 80948), (3304, 78057), (3481, 74088), (3528, 73101), (3717, 69384), (4116, 62658), (4248, 60711), (4956, 52038), (5292, 48734), (5782, 44604), (6174, 41772), (6372, 40474), (6962, 37044), (7434, 34692), (8232, 31329), (8673, 29736), (9261, 27848), (9912, 26019), (10443, 24696), (10584, 24367), (11151, 23128), (11564, 22302), (12348, 20886), (12744, 20237), (13924, 18522), (14868, 17346)]