257005476

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4129}}^1$

素因数の和:4178

約数の個数: 144

約数和(自身を含む): 841859200

約数和(自身を除く): 584853724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 342, 364, 399, 468, 494, 532, 546, 684, 741, 798, 819, 988, 1092, 1197, 1482, 1596, 1638, 1729, 2223, 2394, 2964, 3276, 3458, 4129, 4446, 4788, 5187, 6916, 8258, 8892, 10374, 12387, 15561, 16516, 20748, 24774, 28903, 31122, 37161, 49548, 53677, 57806, 62244, 74322, 78451, 86709, 107354, 115612, 148644, 156902, 161031, 173418, 214708, 235353, 260127, 313804, 322062, 346836, 375739, 470706, 483093, 520254, 549157, 644124, 706059, 751478, 941412, 966186, 1019863, 1040508, 1098314, 1127217, 1412118, 1502956, 1647471, 1932372, 2039726, 2196628, 2254434, 2824236, 3059589, 3294942, 3381651, 4079452, 4508868, 4942413, 6119178, 6589884, 6763302, 7139041, 9178767, 9884826, 12238356, 13526604, 14278082, 18357534, 19769652, 21417123, 28556164, 36715068, 42834246, 64251369, 85668492, 128502738, 257005476]

約数ペア:

[(1, 257005476), (2, 128502738), (3, 85668492), (4, 64251369), (6, 42834246), (7, 36715068), (9, 28556164), (12, 21417123), (13, 19769652), (14, 18357534), (18, 14278082), (19, 13526604), (21, 12238356), (26, 9884826), (28, 9178767), (36, 7139041), (38, 6763302), (39, 6589884), (42, 6119178), (52, 4942413), (57, 4508868), (63, 4079452), (76, 3381651), (78, 3294942), (84, 3059589), (91, 2824236), (114, 2254434), (117, 2196628), (126, 2039726), (133, 1932372), (156, 1647471), (171, 1502956), (182, 1412118), (228, 1127217), (234, 1098314), (247, 1040508), (252, 1019863), (266, 966186), (273, 941412), (342, 751478), (364, 706059), (399, 644124), (468, 549157), (494, 520254), (532, 483093), (546, 470706), (684, 375739), (741, 346836), (798, 322062), (819, 313804), (988, 260127), (1092, 235353), (1197, 214708), (1482, 173418), (1596, 161031), (1638, 156902), (1729, 148644), (2223, 115612), (2394, 107354), (2964, 86709), (3276, 78451), (3458, 74322), (4129, 62244), (4446, 57806), (4788, 53677), (5187, 49548), (6916, 37161), (8258, 31122), (8892, 28903), (10374, 24774), (12387, 20748), (15561, 16516)]