217412930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{9923}}^1$

素因数の和:10250

約数の個数: 32

約数和(自身を含む): 448723584

約数和(自身を除く): 231310654

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313, 626, 1565, 2191, 3130, 4382, 9923, 10955, 19846, 21910, 49615, 69461, 99230, 138922, 347305, 694610, 3105899, 6211798, 15529495, 21741293, 31058990, 43482586, 108706465, 217412930]

約数ペア:

[(1, 217412930), (2, 108706465), (5, 43482586), (7, 31058990), (10, 21741293), (14, 15529495), (35, 6211798), (70, 3105899), (313, 694610), (626, 347305), (1565, 138922), (2191, 99230), (3130, 69461), (4382, 49615), (9923, 21910), (10955, 19846)]