209281072

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 554964480

約数和(自身を除く): 345683408

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 73, 77, 88, 91, 104, 112, 143, 146, 154, 176, 179, 182, 208, 286, 292, 308, 358, 364, 511, 572, 584, 616, 716, 728, 803, 949, 1001, 1022, 1144, 1168, 1232, 1253, 1432, 1456, 1606, 1898, 1969, 2002, 2044, 2288, 2327, 2506, 2864, 3212, 3796, 3938, 4004, 4088, 4654, 5012, 5621, 6424, 6643, 7592, 7876, 8008, 8176, 9308, 10024, 10439, 11242, 12848, 13067, 13286, 13783, 15184, 15752, 16016, 16289, 18616, 20048, 20878, 22484, 25597, 26134, 26572, 27566, 31504, 32578, 37232, 41756, 44968, 51194, 52268, 53144, 55132, 65156, 73073, 83512, 89936, 91469, 102388, 104536, 106288, 110264, 130312, 143737, 146146, 167024, 169871, 179179, 182938, 204776, 209072, 220528, 260624, 287474, 292292, 339742, 358358, 365876, 409552, 574948, 584584, 679484, 716716, 731752, 1006159, 1149896, 1169168, 1189097, 1358968, 1433432, 1463504, 1868581, 2012318, 2299792, 2378194, 2717936, 2866864, 3737162, 4024636, 4756388, 7474324, 8049272, 9512776, 13080067, 14948648, 16098544, 19025552, 26160134, 29897296, 52320268, 104640536, 209281072]

約数ペア:

[(1, 209281072), (2, 104640536), (4, 52320268), (7, 29897296), (8, 26160134), (11, 19025552), (13, 16098544), (14, 14948648), (16, 13080067), (22, 9512776), (26, 8049272), (28, 7474324), (44, 4756388), (52, 4024636), (56, 3737162), (73, 2866864), (77, 2717936), (88, 2378194), (91, 2299792), (104, 2012318), (112, 1868581), (143, 1463504), (146, 1433432), (154, 1358968), (176, 1189097), (179, 1169168), (182, 1149896), (208, 1006159), (286, 731752), (292, 716716), (308, 679484), (358, 584584), (364, 574948), (511, 409552), (572, 365876), (584, 358358), (616, 339742), (716, 292292), (728, 287474), (803, 260624), (949, 220528), (1001, 209072), (1022, 204776), (1144, 182938), (1168, 179179), (1232, 169871), (1253, 167024), (1432, 146146), (1456, 143737), (1606, 130312), (1898, 110264), (1969, 106288), (2002, 104536), (2044, 102388), (2288, 91469), (2327, 89936), (2506, 83512), (2864, 73073), (3212, 65156), (3796, 55132), (3938, 53144), (4004, 52268), (4088, 51194), (4654, 44968), (5012, 41756), (5621, 37232), (6424, 32578), (6643, 31504), (7592, 27566), (7876, 26572), (8008, 26134), (8176, 25597), (9308, 22484), (10024, 20878), (10439, 20048), (11242, 18616), (12848, 16289), (13067, 16016), (13286, 15752), (13783, 15184)]