280106288

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^3\times {\mathrm{1879}}^1$

素因数の和:1927

約数の個数: 80

約数和(自身を含む): 682575360

約数和(自身を除く): 402469072

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1331, 1694, 1879, 1936, 2662, 3388, 3758, 5324, 6776, 7516, 9317, 10648, 13153, 13552, 15032, 18634, 20669, 21296, 26306, 30064, 37268, 41338, 52612, 74536, 82676, 105224, 144683, 149072, 165352, 210448, 227359, 289366, 330704, 454718, 578732, 909436, 1157464, 1591513, 1818872, 2314928, 2500949, 3183026, 3637744, 5001898, 6366052, 10003796, 12732104, 17506643, 20007592, 25464208, 35013286, 40015184, 70026572, 140053144, 280106288]

約数ペア:

[(1, 280106288), (2, 140053144), (4, 70026572), (7, 40015184), (8, 35013286), (11, 25464208), (14, 20007592), (16, 17506643), (22, 12732104), (28, 10003796), (44, 6366052), (56, 5001898), (77, 3637744), (88, 3183026), (112, 2500949), (121, 2314928), (154, 1818872), (176, 1591513), (242, 1157464), (308, 909436), (484, 578732), (616, 454718), (847, 330704), (968, 289366), (1232, 227359), (1331, 210448), (1694, 165352), (1879, 149072), (1936, 144683), (2662, 105224), (3388, 82676), (3758, 74536), (5324, 52612), (6776, 41338), (7516, 37268), (9317, 30064), (10648, 26306), (13153, 21296), (13552, 20669), (15032, 18634)]