251302968

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 288

約数和(自身を含む): 874972800

約数和(自身を除く): 623669832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 23, 24, 28, 36, 38, 42, 46, 49, 56, 57, 63, 69, 72, 76, 84, 92, 98, 114, 126, 133, 138, 147, 152, 161, 163, 168, 171, 184, 196, 207, 228, 252, 266, 276, 294, 322, 326, 342, 392, 399, 414, 437, 441, 456, 483, 489, 504, 532, 552, 588, 644, 652, 684, 798, 828, 874, 882, 931, 966, 978, 1064, 1127, 1141, 1176, 1197, 1288, 1304, 1311, 1368, 1449, 1467, 1596, 1656, 1748, 1764, 1862, 1932, 1956, 2254, 2282, 2394, 2622, 2793, 2898, 2934, 3059, 3097, 3192, 3381, 3423, 3496, 3528, 3724, 3749, 3864, 3912, 3933, 4508, 4564, 4788, 5244, 5586, 5796, 5868, 6118, 6194, 6762, 6846, 7448, 7498, 7866, 7987, 8379, 9016, 9128, 9177, 9291, 9576, 10143, 10269, 10488, 11172, 11247, 11592, 11736, 12236, 12388, 13524, 13692, 14996, 15732, 15974, 16758, 18354, 18582, 20286, 20538, 21413, 21679, 22344, 22494, 23961, 24472, 24776, 26243, 27048, 27384, 27531, 27873, 29992, 31464, 31948, 33516, 33741, 36708, 37164, 40572, 41076, 42826, 43358, 44988, 47922, 52486, 55062, 55746, 63896, 64239, 65037, 67032, 67482, 71231, 71883, 73416, 74328, 78729, 81144, 82152, 85652, 86716, 89976, 95844, 104972, 110124, 111492, 128478, 130074, 134964, 142462, 143766, 151753, 157458, 171304, 173432, 183701, 191688, 192717, 195111, 209944, 213693, 220248, 222984, 236187, 256956, 260148, 269928, 284924, 287532, 303506, 314916, 367402, 385434, 390222, 427386, 455259, 472374, 498617, 513912, 520296, 551103, 569848, 575064, 607012, 629832, 641079, 734804, 770868, 780444, 854772, 910518, 944748, 997234, 1102206, 1214024, 1282158, 1365777, 1469608, 1495851, 1541736, 1560888, 1653309, 1709544, 1821036, 1889496, 1994468, 2204412, 2564316, 2731554, 2991702, 3306618, 3490319, 3642072, 3988936, 4408824, 4487553, 5128632, 5463108, 5983404, 6613236, 6980638, 8975106, 10470957, 10926216, 11966808, 13226472, 13961276, 17950212, 20941914, 27922552, 31412871, 35900424, 41883828, 62825742, 83767656, 125651484, 251302968]

約数ペア:

[(1, 251302968), (2, 125651484), (3, 83767656), (4, 62825742), (6, 41883828), (7, 35900424), (8, 31412871), (9, 27922552), (12, 20941914), (14, 17950212), (18, 13961276), (19, 13226472), (21, 11966808), (23, 10926216), (24, 10470957), (28, 8975106), (36, 6980638), (38, 6613236), (42, 5983404), (46, 5463108), (49, 5128632), (56, 4487553), (57, 4408824), (63, 3988936), (69, 3642072), (72, 3490319), (76, 3306618), (84, 2991702), (92, 2731554), (98, 2564316), (114, 2204412), (126, 1994468), (133, 1889496), (138, 1821036), (147, 1709544), (152, 1653309), (161, 1560888), (163, 1541736), (168, 1495851), (171, 1469608), (184, 1365777), (196, 1282158), (207, 1214024), (228, 1102206), (252, 997234), (266, 944748), (276, 910518), (294, 854772), (322, 780444), (326, 770868), (342, 734804), (392, 641079), (399, 629832), (414, 607012), (437, 575064), (441, 569848), (456, 551103), (483, 520296), (489, 513912), (504, 498617), (532, 472374), (552, 455259), (588, 427386), (644, 390222), (652, 385434), (684, 367402), (798, 314916), (828, 303506), (874, 287532), (882, 284924), (931, 269928), (966, 260148), (978, 256956), (1064, 236187), (1127, 222984), (1141, 220248), (1176, 213693), (1197, 209944), (1288, 195111), (1304, 192717), (1311, 191688), (1368, 183701), (1449, 173432), (1467, 171304), (1596, 157458), (1656, 151753), (1748, 143766), (1764, 142462), (1862, 134964), (1932, 130074), (1956, 128478), (2254, 111492), (2282, 110124), (2394, 104972), (2622, 95844), (2793, 89976), (2898, 86716), (2934, 85652), (3059, 82152), (3097, 81144), (3192, 78729), (3381, 74328), (3423, 73416), (3496, 71883), (3528, 71231), (3724, 67482), (3749, 67032), (3864, 65037), (3912, 64239), (3933, 63896), (4508, 55746), (4564, 55062), (4788, 52486), (5244, 47922), (5586, 44988), (5796, 43358), (5868, 42826), (6118, 41076), (6194, 40572), (6762, 37164), (6846, 36708), (7448, 33741), (7498, 33516), (7866, 31948), (7987, 31464), (8379, 29992), (9016, 27873), (9128, 27531), (9177, 27384), (9291, 27048), (9576, 26243), (10143, 24776), (10269, 24472), (10488, 23961), (11172, 22494), (11247, 22344), (11592, 21679), (11736, 21413), (12236, 20538), (12388, 20286), (13524, 18582), (13692, 18354), (14996, 16758), (15732, 15974)]