140376656

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 319979520

約数和(自身を除く): 179602864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 127, 139, 142, 254, 278, 284, 497, 508, 556, 568, 889, 973, 994, 1016, 1112, 1136, 1778, 1946, 1988, 2032, 2224, 3556, 3892, 3976, 7112, 7784, 7952, 9017, 9869, 14224, 15568, 17653, 18034, 19738, 35306, 36068, 39476, 63119, 69083, 70612, 72136, 78952, 123571, 126238, 138166, 141224, 144272, 157904, 247142, 252476, 276332, 282448, 494284, 504952, 552664, 988568, 1009904, 1105328, 1253363, 1977136, 2506726, 5013452, 8773541, 10026904, 17547082, 20053808, 35094164, 70188328, 140376656]

約数ペア:

[(1, 140376656), (2, 70188328), (4, 35094164), (7, 20053808), (8, 17547082), (14, 10026904), (16, 8773541), (28, 5013452), (56, 2506726), (71, 1977136), (112, 1253363), (127, 1105328), (139, 1009904), (142, 988568), (254, 552664), (278, 504952), (284, 494284), (497, 282448), (508, 276332), (556, 252476), (568, 247142), (889, 157904), (973, 144272), (994, 141224), (1016, 138166), (1112, 126238), (1136, 123571), (1778, 78952), (1946, 72136), (1988, 70612), (2032, 69083), (2224, 63119), (3556, 39476), (3892, 36068), (3976, 35306), (7112, 19738), (7784, 18034), (7952, 17653), (9017, 15568), (9869, 14224)]