11297720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 29350080

約数和(自身を除く): 18052360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 257, 280, 314, 514, 628, 785, 1028, 1099, 1256, 1285, 1570, 1799, 2056, 2198, 2570, 3140, 3598, 4396, 5140, 5495, 6280, 7196, 8792, 8995, 10280, 10990, 14392, 17990, 21980, 35980, 40349, 43960, 71960, 80698, 161396, 201745, 282443, 322792, 403490, 564886, 806980, 1129772, 1412215, 1613960, 2259544, 2824430, 5648860, 11297720]

約数ペア:

[(1, 11297720), (2, 5648860), (4, 2824430), (5, 2259544), (7, 1613960), (8, 1412215), (10, 1129772), (14, 806980), (20, 564886), (28, 403490), (35, 322792), (40, 282443), (56, 201745), (70, 161396), (140, 80698), (157, 71960), (257, 43960), (280, 40349), (314, 35980), (514, 21980), (628, 17990), (785, 14392), (1028, 10990), (1099, 10280), (1256, 8995), (1285, 8792), (1570, 7196), (1799, 6280), (2056, 5495), (2198, 5140), (2570, 4396), (3140, 3598)]