257993904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 851088384

約数和(自身を除く): 593094480

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 31, 34, 42, 47, 48, 51, 56, 62, 68, 84, 93, 94, 102, 112, 119, 124, 136, 141, 168, 186, 188, 204, 217, 238, 248, 272, 282, 329, 336, 357, 372, 376, 408, 434, 476, 496, 527, 564, 651, 658, 714, 744, 752, 799, 816, 868, 952, 961, 987, 1054, 1128, 1302, 1316, 1428, 1457, 1488, 1581, 1598, 1736, 1904, 1922, 1974, 2108, 2256, 2397, 2604, 2632, 2856, 2883, 2914, 3162, 3196, 3472, 3689, 3844, 3948, 4216, 4371, 4794, 5208, 5264, 5593, 5712, 5766, 5828, 6324, 6392, 6727, 7378, 7688, 7896, 8432, 8742, 9588, 10199, 10416, 11067, 11186, 11532, 11656, 12648, 12784, 13454, 14756, 15376, 15792, 16337, 16779, 17484, 19176, 20181, 20398, 22134, 22372, 23064, 23312, 24769, 25296, 26908, 29512, 30597, 32674, 33558, 34968, 38352, 40362, 40796, 44268, 44744, 45167, 46128, 49011, 49538, 53816, 59024, 61194, 65348, 67116, 69936, 74307, 80724, 81592, 88536, 89488, 90334, 98022, 99076, 107632, 114359, 122388, 130696, 134232, 135501, 148614, 161448, 163184, 173383, 177072, 180668, 196044, 198152, 228718, 244776, 261392, 268464, 271002, 297228, 316169, 322896, 343077, 346766, 361336, 392088, 396304, 457436, 489552, 520149, 542004, 594456, 632338, 686154, 693532, 722672, 767839, 784176, 914872, 948507, 1040298, 1084008, 1188912, 1264676, 1372308, 1387064, 1535678, 1829744, 1897014, 2080596, 2168016, 2303517, 2529352, 2744616, 2774128, 3071356, 3794028, 4161192, 4607034, 5058704, 5374873, 5489232, 6142712, 7588056, 8322384, 9214068, 10749746, 12285424, 15176112, 16124619, 18428136, 21499492, 32249238, 36856272, 42998984, 64498476, 85997968, 128996952, 257993904]

約数ペア:

[(1, 257993904), (2, 128996952), (3, 85997968), (4, 64498476), (6, 42998984), (7, 36856272), (8, 32249238), (12, 21499492), (14, 18428136), (16, 16124619), (17, 15176112), (21, 12285424), (24, 10749746), (28, 9214068), (31, 8322384), (34, 7588056), (42, 6142712), (47, 5489232), (48, 5374873), (51, 5058704), (56, 4607034), (62, 4161192), (68, 3794028), (84, 3071356), (93, 2774128), (94, 2744616), (102, 2529352), (112, 2303517), (119, 2168016), (124, 2080596), (136, 1897014), (141, 1829744), (168, 1535678), (186, 1387064), (188, 1372308), (204, 1264676), (217, 1188912), (238, 1084008), (248, 1040298), (272, 948507), (282, 914872), (329, 784176), (336, 767839), (357, 722672), (372, 693532), (376, 686154), (408, 632338), (434, 594456), (476, 542004), (496, 520149), (527, 489552), (564, 457436), (651, 396304), (658, 392088), (714, 361336), (744, 346766), (752, 343077), (799, 322896), (816, 316169), (868, 297228), (952, 271002), (961, 268464), (987, 261392), (1054, 244776), (1128, 228718), (1302, 198152), (1316, 196044), (1428, 180668), (1457, 177072), (1488, 173383), (1581, 163184), (1598, 161448), (1736, 148614), (1904, 135501), (1922, 134232), (1974, 130696), (2108, 122388), (2256, 114359), (2397, 107632), (2604, 99076), (2632, 98022), (2856, 90334), (2883, 89488), (2914, 88536), (3162, 81592), (3196, 80724), (3472, 74307), (3689, 69936), (3844, 67116), (3948, 65348), (4216, 61194), (4371, 59024), (4794, 53816), (5208, 49538), (5264, 49011), (5593, 46128), (5712, 45167), (5766, 44744), (5828, 44268), (6324, 40796), (6392, 40362), (6727, 38352), (7378, 34968), (7688, 33558), (7896, 32674), (8432, 30597), (8742, 29512), (9588, 26908), (10199, 25296), (10416, 24769), (11067, 23312), (11186, 23064), (11532, 22372), (11656, 22134), (12648, 20398), (12784, 20181), (13454, 19176), (14756, 17484), (15376, 16779), (15792, 16337)]