251381856

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 288

約数和(自身を含む): 820471680

約数和(自身を除く): 569089824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 19, 22, 24, 32, 33, 34, 38, 44, 48, 51, 57, 66, 67, 68, 76, 88, 96, 102, 114, 121, 132, 134, 136, 152, 176, 187, 201, 204, 209, 228, 242, 264, 268, 272, 304, 323, 352, 363, 374, 402, 408, 418, 456, 484, 528, 536, 544, 561, 608, 627, 646, 726, 737, 748, 804, 816, 836, 912, 968, 969, 1056, 1072, 1122, 1139, 1254, 1273, 1292, 1452, 1474, 1496, 1608, 1632, 1672, 1824, 1936, 1938, 2057, 2144, 2211, 2244, 2278, 2299, 2508, 2546, 2584, 2904, 2948, 2992, 3216, 3344, 3417, 3553, 3819, 3872, 3876, 4114, 4422, 4488, 4556, 4598, 5016, 5092, 5168, 5808, 5896, 5984, 6171, 6432, 6688, 6834, 6897, 7106, 7638, 7752, 8107, 8228, 8844, 8976, 9112, 9196, 10032, 10184, 10336, 10659, 11616, 11792, 12342, 12529, 13668, 13794, 14003, 14212, 15276, 15504, 16214, 16456, 17688, 17952, 18224, 18392, 20064, 20368, 21318, 21641, 23584, 24321, 24684, 25058, 27336, 27588, 28006, 28424, 30552, 31008, 32428, 32912, 35376, 36448, 36784, 37587, 39083, 40736, 42009, 42636, 43282, 48642, 49368, 50116, 54672, 55176, 56012, 56848, 61104, 64856, 64923, 65824, 70752, 73568, 75174, 78166, 84018, 85272, 86564, 97284, 98736, 100232, 109344, 110352, 112024, 113696, 117249, 122208, 129712, 129846, 137819, 150348, 154033, 156332, 168036, 170544, 173128, 194568, 197472, 200464, 220704, 224048, 234498, 238051, 259424, 259692, 275638, 300696, 308066, 312664, 336072, 341088, 346256, 389136, 400928, 413457, 448096, 462099, 468996, 476102, 519384, 551276, 601392, 616132, 625328, 672144, 692512, 714153, 778272, 826914, 924198, 937992, 952204, 1038768, 1102552, 1202784, 1232264, 1250656, 1344288, 1428306, 1653828, 1848396, 1875984, 1904408, 2077536, 2205104, 2464528, 2618561, 2856612, 3307656, 3696792, 3751968, 3808816, 4410208, 4929056, 5237122, 5713224, 6615312, 7393584, 7617632, 7855683, 10474244, 11426448, 13230624, 14787168, 15711366, 20948488, 22852896, 31422732, 41896976, 62845464, 83793952, 125690928, 251381856]

約数ペア:

[(1, 251381856), (2, 125690928), (3, 83793952), (4, 62845464), (6, 41896976), (8, 31422732), (11, 22852896), (12, 20948488), (16, 15711366), (17, 14787168), (19, 13230624), (22, 11426448), (24, 10474244), (32, 7855683), (33, 7617632), (34, 7393584), (38, 6615312), (44, 5713224), (48, 5237122), (51, 4929056), (57, 4410208), (66, 3808816), (67, 3751968), (68, 3696792), (76, 3307656), (88, 2856612), (96, 2618561), (102, 2464528), (114, 2205104), (121, 2077536), (132, 1904408), (134, 1875984), (136, 1848396), (152, 1653828), (176, 1428306), (187, 1344288), (201, 1250656), (204, 1232264), (209, 1202784), (228, 1102552), (242, 1038768), (264, 952204), (268, 937992), (272, 924198), (304, 826914), (323, 778272), (352, 714153), (363, 692512), (374, 672144), (402, 625328), (408, 616132), (418, 601392), (456, 551276), (484, 519384), (528, 476102), (536, 468996), (544, 462099), (561, 448096), (608, 413457), (627, 400928), (646, 389136), (726, 346256), (737, 341088), (748, 336072), (804, 312664), (816, 308066), (836, 300696), (912, 275638), (968, 259692), (969, 259424), (1056, 238051), (1072, 234498), (1122, 224048), (1139, 220704), (1254, 200464), (1273, 197472), (1292, 194568), (1452, 173128), (1474, 170544), (1496, 168036), (1608, 156332), (1632, 154033), (1672, 150348), (1824, 137819), (1936, 129846), (1938, 129712), (2057, 122208), (2144, 117249), (2211, 113696), (2244, 112024), (2278, 110352), (2299, 109344), (2508, 100232), (2546, 98736), (2584, 97284), (2904, 86564), (2948, 85272), (2992, 84018), (3216, 78166), (3344, 75174), (3417, 73568), (3553, 70752), (3819, 65824), (3872, 64923), (3876, 64856), (4114, 61104), (4422, 56848), (4488, 56012), (4556, 55176), (4598, 54672), (5016, 50116), (5092, 49368), (5168, 48642), (5808, 43282), (5896, 42636), (5984, 42009), (6171, 40736), (6432, 39083), (6688, 37587), (6834, 36784), (6897, 36448), (7106, 35376), (7638, 32912), (7752, 32428), (8107, 31008), (8228, 30552), (8844, 28424), (8976, 28006), (9112, 27588), (9196, 27336), (10032, 25058), (10184, 24684), (10336, 24321), (10659, 23584), (11616, 21641), (11792, 21318), (12342, 20368), (12529, 20064), (13668, 18392), (13794, 18224), (14003, 17952), (14212, 17688), (15276, 16456), (15504, 16214)]