201680384

素因数分解:

$2^9\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 120

約数和(自身を含む): 452247840

約数和(自身を除く): 250567456

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 47, 58, 64, 68, 94, 116, 128, 136, 188, 232, 256, 272, 289, 376, 464, 493, 512, 544, 578, 752, 799, 928, 986, 1088, 1156, 1363, 1504, 1598, 1856, 1972, 2176, 2312, 2726, 3008, 3196, 3712, 3944, 4352, 4624, 5452, 6016, 6392, 7424, 7888, 8381, 8704, 9248, 10904, 12032, 12784, 13583, 14848, 15776, 16762, 18496, 21808, 23171, 24064, 25568, 27166, 31552, 33524, 36992, 43616, 46342, 51136, 54332, 63104, 67048, 73984, 87232, 92684, 102272, 108664, 126208, 134096, 147968, 174464, 185368, 204544, 217328, 252416, 268192, 348928, 370736, 393907, 409088, 434656, 536384, 697856, 741472, 787814, 869312, 1072768, 1482944, 1575628, 1738624, 2145536, 2965888, 3151256, 3477248, 4291072, 5931776, 6302512, 6954496, 11863552, 12605024, 25210048, 50420096, 100840192, 201680384]

約数ペア:

[(1, 201680384), (2, 100840192), (4, 50420096), (8, 25210048), (16, 12605024), (17, 11863552), (29, 6954496), (32, 6302512), (34, 5931776), (47, 4291072), (58, 3477248), (64, 3151256), (68, 2965888), (94, 2145536), (116, 1738624), (128, 1575628), (136, 1482944), (188, 1072768), (232, 869312), (256, 787814), (272, 741472), (289, 697856), (376, 536384), (464, 434656), (493, 409088), (512, 393907), (544, 370736), (578, 348928), (752, 268192), (799, 252416), (928, 217328), (986, 204544), (1088, 185368), (1156, 174464), (1363, 147968), (1504, 134096), (1598, 126208), (1856, 108664), (1972, 102272), (2176, 92684), (2312, 87232), (2726, 73984), (3008, 67048), (3196, 63104), (3712, 54332), (3944, 51136), (4352, 46342), (4624, 43616), (5452, 36992), (6016, 33524), (6392, 31552), (7424, 27166), (7888, 25568), (8381, 24064), (8704, 23171), (9248, 21808), (10904, 18496), (12032, 16762), (12784, 15776), (13583, 14848)]