2509990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1596

約数の個数: 32

約数和(自身を含む): 5391360

約数和(自身を除く): 2881370

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1559, 1610, 3118, 7795, 10913, 15590, 21826, 35857, 54565, 71714, 109130, 179285, 250999, 358570, 501998, 1254995, 2509990]

約数ペア:

[(1, 2509990), (2, 1254995), (5, 501998), (7, 358570), (10, 250999), (14, 179285), (23, 109130), (35, 71714), (46, 54565), (70, 35857), (115, 21826), (161, 15590), (230, 10913), (322, 7795), (805, 3118), (1559, 1610)]