280702576

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^3\times {\mathrm{269}}^1$

素因数の和:324

約数の個数: 120

約数和(自身を含む): 698459760

約数和(自身を除く): 417757184

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 242, 269, 308, 392, 484, 538, 539, 616, 784, 847, 968, 1076, 1078, 1232, 1331, 1694, 1883, 1936, 2152, 2156, 2662, 2959, 3388, 3766, 4304, 4312, 5324, 5918, 5929, 6776, 7532, 8624, 9317, 10648, 11836, 11858, 13181, 13552, 15064, 18634, 20713, 21296, 23672, 23716, 26362, 30128, 32549, 37268, 41426, 47344, 47432, 52724, 65098, 65219, 74536, 82852, 94864, 105448, 130196, 130438, 144991, 149072, 165704, 210896, 227843, 260392, 260876, 289982, 331408, 358039, 455686, 520784, 521752, 579964, 716078, 911372, 1043504, 1159928, 1432156, 1594901, 1822744, 2319856, 2506273, 2864312, 3189802, 3645488, 5012546, 5728624, 6379604, 10025092, 12759208, 17543911, 20050184, 25518416, 35087822, 40100368, 70175644, 140351288, 280702576]

約数ペア:

[(1, 280702576), (2, 140351288), (4, 70175644), (7, 40100368), (8, 35087822), (11, 25518416), (14, 20050184), (16, 17543911), (22, 12759208), (28, 10025092), (44, 6379604), (49, 5728624), (56, 5012546), (77, 3645488), (88, 3189802), (98, 2864312), (112, 2506273), (121, 2319856), (154, 1822744), (176, 1594901), (196, 1432156), (242, 1159928), (269, 1043504), (308, 911372), (392, 716078), (484, 579964), (538, 521752), (539, 520784), (616, 455686), (784, 358039), (847, 331408), (968, 289982), (1076, 260876), (1078, 260392), (1232, 227843), (1331, 210896), (1694, 165704), (1883, 149072), (1936, 144991), (2152, 130438), (2156, 130196), (2662, 105448), (2959, 94864), (3388, 82852), (3766, 74536), (4304, 65219), (4312, 65098), (5324, 52724), (5918, 47432), (5929, 47344), (6776, 41426), (7532, 37268), (8624, 32549), (9317, 30128), (10648, 26362), (11836, 23716), (11858, 23672), (13181, 21296), (13552, 20713), (15064, 18634)]