208455555

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 192

約数和(自身を含む): 472780800

約数和(自身を除く): 264325245

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 23, 33, 35, 49, 55, 57, 59, 69, 77, 95, 105, 115, 133, 147, 161, 165, 177, 209, 231, 245, 253, 285, 295, 345, 385, 399, 413, 437, 483, 539, 627, 649, 665, 735, 759, 805, 885, 931, 1045, 1121, 1127, 1155, 1239, 1265, 1311, 1357, 1463, 1617, 1771, 1947, 1995, 2065, 2185, 2415, 2695, 2793, 2891, 3059, 3135, 3245, 3363, 3381, 3795, 4071, 4389, 4543, 4655, 4807, 5313, 5605, 5635, 6195, 6555, 6785, 7315, 7847, 8085, 8673, 8855, 9177, 9499, 9735, 10241, 12331, 12397, 13629, 13965, 14421, 14455, 14927, 15295, 16815, 16905, 20355, 21413, 21945, 22715, 23541, 24035, 25783, 26565, 28497, 30723, 31801, 33649, 36993, 37191, 39235, 43365, 44781, 45885, 47495, 51205, 54929, 61655, 61985, 64239, 66493, 68145, 72105, 74635, 77349, 86317, 95403, 100947, 104489, 107065, 117705, 128915, 142485, 153615, 159005, 164787, 168245, 180481, 184965, 185955, 199479, 223905, 235543, 258951, 274645, 283613, 313467, 321195, 332465, 386745, 431585, 477015, 504735, 522445, 541443, 604219, 706629, 731423, 823935, 850839, 902405, 997395, 1177715, 1263367, 1294755, 1418065, 1567335, 1812657, 1985291, 2194269, 2707215, 3021095, 3533145, 3657115, 3790101, 4254195, 5955873, 6316835, 9063285, 9926455, 10971345, 13897037, 18950505, 29779365, 41691111, 69485185, 208455555]

約数ペア:

[(1, 208455555), (3, 69485185), (5, 41691111), (7, 29779365), (11, 18950505), (15, 13897037), (19, 10971345), (21, 9926455), (23, 9063285), (33, 6316835), (35, 5955873), (49, 4254195), (55, 3790101), (57, 3657115), (59, 3533145), (69, 3021095), (77, 2707215), (95, 2194269), (105, 1985291), (115, 1812657), (133, 1567335), (147, 1418065), (161, 1294755), (165, 1263367), (177, 1177715), (209, 997395), (231, 902405), (245, 850839), (253, 823935), (285, 731423), (295, 706629), (345, 604219), (385, 541443), (399, 522445), (413, 504735), (437, 477015), (483, 431585), (539, 386745), (627, 332465), (649, 321195), (665, 313467), (735, 283613), (759, 274645), (805, 258951), (885, 235543), (931, 223905), (1045, 199479), (1121, 185955), (1127, 184965), (1155, 180481), (1239, 168245), (1265, 164787), (1311, 159005), (1357, 153615), (1463, 142485), (1617, 128915), (1771, 117705), (1947, 107065), (1995, 104489), (2065, 100947), (2185, 95403), (2415, 86317), (2695, 77349), (2793, 74635), (2891, 72105), (3059, 68145), (3135, 66493), (3245, 64239), (3363, 61985), (3381, 61655), (3795, 54929), (4071, 51205), (4389, 47495), (4543, 45885), (4655, 44781), (4807, 43365), (5313, 39235), (5605, 37191), (5635, 36993), (6195, 33649), (6555, 31801), (6785, 30723), (7315, 28497), (7847, 26565), (8085, 25783), (8673, 24035), (8855, 23541), (9177, 22715), (9499, 21945), (9735, 21413), (10241, 20355), (12331, 16905), (12397, 16815), (13629, 15295), (13965, 14927), (14421, 14455)]