205525404

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:645

約数の個数: 144

約数和(自身を含む): 629717760

約数和(自身を除く): 424192356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 71, 84, 98, 108, 126, 142, 147, 189, 196, 213, 252, 284, 294, 378, 426, 441, 497, 547, 588, 639, 756, 852, 882, 994, 1094, 1278, 1323, 1491, 1641, 1764, 1917, 1988, 2188, 2556, 2646, 2982, 3282, 3479, 3829, 3834, 4473, 4923, 5292, 5964, 6564, 6958, 7658, 7668, 8946, 9846, 10437, 11487, 13419, 13916, 14769, 15316, 17892, 19692, 20874, 22974, 26803, 26838, 29538, 31311, 34461, 38837, 41748, 45948, 53606, 53676, 59076, 62622, 68922, 77674, 80409, 93933, 103383, 107212, 116511, 125244, 137844, 155348, 160818, 187866, 206766, 233022, 241227, 271859, 321636, 349533, 375732, 413532, 466044, 482454, 543718, 699066, 723681, 815577, 964908, 1048599, 1087436, 1398132, 1447362, 1631154, 1903013, 2097198, 2446731, 2894724, 3262308, 3806026, 4194396, 4893462, 5709039, 7340193, 7612052, 9786924, 11418078, 14680386, 17127117, 22836156, 29360772, 34254234, 51381351, 68508468, 102762702, 205525404]

約数ペア:

[(1, 205525404), (2, 102762702), (3, 68508468), (4, 51381351), (6, 34254234), (7, 29360772), (9, 22836156), (12, 17127117), (14, 14680386), (18, 11418078), (21, 9786924), (27, 7612052), (28, 7340193), (36, 5709039), (42, 4893462), (49, 4194396), (54, 3806026), (63, 3262308), (71, 2894724), (84, 2446731), (98, 2097198), (108, 1903013), (126, 1631154), (142, 1447362), (147, 1398132), (189, 1087436), (196, 1048599), (213, 964908), (252, 815577), (284, 723681), (294, 699066), (378, 543718), (426, 482454), (441, 466044), (497, 413532), (547, 375732), (588, 349533), (639, 321636), (756, 271859), (852, 241227), (882, 233022), (994, 206766), (1094, 187866), (1278, 160818), (1323, 155348), (1491, 137844), (1641, 125244), (1764, 116511), (1917, 107212), (1988, 103383), (2188, 93933), (2556, 80409), (2646, 77674), (2982, 68922), (3282, 62622), (3479, 59076), (3829, 53676), (3834, 53606), (4473, 45948), (4923, 41748), (5292, 38837), (5964, 34461), (6564, 31311), (6958, 29538), (7658, 26838), (7668, 26803), (8946, 22974), (9846, 20874), (10437, 19692), (11487, 17892), (13419, 15316), (13916, 14769)]