71288980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1511}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 171714816

約数和(自身を除く): 100425836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 337, 674, 1348, 1511, 1685, 2359, 3022, 3370, 4718, 6044, 6740, 7555, 9436, 10577, 11795, 15110, 21154, 23590, 30220, 42308, 47180, 52885, 105770, 211540, 509207, 1018414, 2036828, 2546035, 3564449, 5092070, 7128898, 10184140, 14257796, 17822245, 35644490, 71288980]

約数ペア:

[(1, 71288980), (2, 35644490), (4, 17822245), (5, 14257796), (7, 10184140), (10, 7128898), (14, 5092070), (20, 3564449), (28, 2546035), (35, 2036828), (70, 1018414), (140, 509207), (337, 211540), (674, 105770), (1348, 52885), (1511, 47180), (1685, 42308), (2359, 30220), (3022, 23590), (3370, 21154), (4718, 15110), (6044, 11795), (6740, 10577), (7555, 9436)]