205959908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 489065472

約数和(自身を除く): 283105564

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 37, 44, 53, 62, 74, 77, 106, 121, 124, 148, 154, 212, 217, 242, 259, 308, 341, 371, 407, 434, 484, 518, 583, 682, 742, 814, 847, 868, 1036, 1147, 1166, 1364, 1484, 1628, 1643, 1694, 1961, 2294, 2332, 2387, 2849, 3286, 3388, 3751, 3922, 4081, 4477, 4588, 4774, 5698, 6413, 6572, 7502, 7844, 8029, 8162, 8954, 9548, 11396, 11501, 12617, 12826, 13727, 15004, 16058, 16324, 17908, 18073, 21571, 23002, 25234, 25652, 26257, 27454, 31339, 32116, 36146, 43142, 44891, 46004, 50468, 52514, 54908, 60791, 62678, 72292, 86284, 88319, 89782, 105028, 121582, 125356, 126511, 138787, 150997, 176638, 179564, 198803, 237281, 243164, 253022, 277574, 301994, 353276, 397606, 425537, 474562, 506044, 555148, 603988, 668701, 795212, 851074, 949124, 971509, 1337402, 1391621, 1660967, 1702148, 1943018, 2674804, 2783242, 3321934, 3886036, 4680907, 5566484, 6643868, 7355711, 9361814, 14711422, 18723628, 29422844, 51489977, 102979954, 205959908]

約数ペア:

[(1, 205959908), (2, 102979954), (4, 51489977), (7, 29422844), (11, 18723628), (14, 14711422), (22, 9361814), (28, 7355711), (31, 6643868), (37, 5566484), (44, 4680907), (53, 3886036), (62, 3321934), (74, 2783242), (77, 2674804), (106, 1943018), (121, 1702148), (124, 1660967), (148, 1391621), (154, 1337402), (212, 971509), (217, 949124), (242, 851074), (259, 795212), (308, 668701), (341, 603988), (371, 555148), (407, 506044), (434, 474562), (484, 425537), (518, 397606), (583, 353276), (682, 301994), (742, 277574), (814, 253022), (847, 243164), (868, 237281), (1036, 198803), (1147, 179564), (1166, 176638), (1364, 150997), (1484, 138787), (1628, 126511), (1643, 125356), (1694, 121582), (1961, 105028), (2294, 89782), (2332, 88319), (2387, 86284), (2849, 72292), (3286, 62678), (3388, 60791), (3751, 54908), (3922, 52514), (4081, 50468), (4477, 46004), (4588, 44891), (4774, 43142), (5698, 36146), (6413, 32116), (6572, 31339), (7502, 27454), (7844, 26257), (8029, 25652), (8162, 25234), (8954, 23002), (9548, 21571), (11396, 18073), (11501, 17908), (12617, 16324), (12826, 16058), (13727, 15004)]