313780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 682920

約数和(自身を除く): 369140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 541, 580, 1082, 2164, 2705, 5410, 10820, 15689, 31378, 62756, 78445, 156890, 313780]

約数ペア:

[(1, 313780), (2, 156890), (4, 78445), (5, 62756), (10, 31378), (20, 15689), (29, 10820), (58, 5410), (116, 2705), (145, 2164), (290, 1082), (541, 580)]