2720428746

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{709}}^1$

素因数の和:1180

約数の個数: 96

約数和(自身を含む): 6558082560

約数和(自身を除く): 3837653814

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 93, 98, 147, 186, 217, 294, 421, 434, 651, 709, 842, 1263, 1302, 1418, 1519, 2127, 2526, 2947, 3038, 4254, 4557, 4963, 5894, 8841, 9114, 9926, 13051, 14889, 17682, 20629, 21979, 26102, 29778, 34741, 39153, 41258, 43958, 61887, 65937, 69482, 78306, 91357, 104223, 123774, 131874, 153853, 182714, 208446, 274071, 298489, 307706, 461559, 548142, 596978, 639499, 895467, 923118, 1076971, 1278998, 1790934, 1918497, 2089423, 2153942, 3230913, 3836994, 4178846, 6268269, 6461826, 9253159, 12536538, 14625961, 18506318, 27759477, 29251922, 43877883, 55518954, 64772113, 87755766, 129544226, 194316339, 388632678, 453404791, 906809582, 1360214373, 2720428746]

約数ペア:

[(1, 2720428746), (2, 1360214373), (3, 906809582), (6, 453404791), (7, 388632678), (14, 194316339), (21, 129544226), (31, 87755766), (42, 64772113), (49, 55518954), (62, 43877883), (93, 29251922), (98, 27759477), (147, 18506318), (186, 14625961), (217, 12536538), (294, 9253159), (421, 6461826), (434, 6268269), (651, 4178846), (709, 3836994), (842, 3230913), (1263, 2153942), (1302, 2089423), (1418, 1918497), (1519, 1790934), (2127, 1278998), (2526, 1076971), (2947, 923118), (3038, 895467), (4254, 639499), (4557, 596978), (4963, 548142), (5894, 461559), (8841, 307706), (9114, 298489), (9926, 274071), (13051, 208446), (14889, 182714), (17682, 153853), (20629, 131874), (21979, 123774), (26102, 104223), (29778, 91357), (34741, 78306), (39153, 69482), (41258, 65937), (43958, 61887)]