51720284

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 120960000

約数和(自身を除く): 69239716

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 77, 92, 98, 149, 154, 161, 196, 253, 298, 308, 322, 343, 506, 539, 596, 644, 686, 1012, 1043, 1078, 1127, 1372, 1639, 1771, 2086, 2156, 2254, 3278, 3427, 3542, 3773, 4172, 4508, 6556, 6854, 7084, 7301, 7546, 7889, 11473, 12397, 13708, 14602, 15092, 15778, 22946, 23989, 24794, 29204, 31556, 37697, 45892, 47978, 49588, 51107, 75394, 80311, 86779, 95956, 102214, 150788, 160622, 167923, 173558, 204428, 263879, 321244, 335846, 347116, 527758, 562177, 671692, 1055516, 1124354, 1175461, 1847153, 2248708, 2350922, 3694306, 4701844, 7388612, 12930071, 25860142, 51720284]

約数ペア:

[(1, 51720284), (2, 25860142), (4, 12930071), (7, 7388612), (11, 4701844), (14, 3694306), (22, 2350922), (23, 2248708), (28, 1847153), (44, 1175461), (46, 1124354), (49, 1055516), (77, 671692), (92, 562177), (98, 527758), (149, 347116), (154, 335846), (161, 321244), (196, 263879), (253, 204428), (298, 173558), (308, 167923), (322, 160622), (343, 150788), (506, 102214), (539, 95956), (596, 86779), (644, 80311), (686, 75394), (1012, 51107), (1043, 49588), (1078, 47978), (1127, 45892), (1372, 37697), (1639, 31556), (1771, 29204), (2086, 24794), (2156, 23989), (2254, 22946), (3278, 15778), (3427, 15092), (3542, 14602), (3773, 13708), (4172, 12397), (4508, 11473), (6556, 7889), (6854, 7546), (7084, 7301)]