2648690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{199}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 5270400

約数和(自身を除く): 2621710

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 199, 242, 398, 605, 995, 1210, 1331, 1990, 2189, 2662, 4378, 6655, 10945, 13310, 21890, 24079, 48158, 120395, 240790, 264869, 529738, 1324345, 2648690]

約数ペア:

[(1, 2648690), (2, 1324345), (5, 529738), (10, 264869), (11, 240790), (22, 120395), (55, 48158), (110, 24079), (121, 21890), (199, 13310), (242, 10945), (398, 6655), (605, 4378), (995, 2662), (1210, 2189), (1331, 1990)]