2988590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 5948640

約数和(自身を除く): 2960050

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 269, 505, 538, 1010, 1111, 1345, 2222, 2690, 2959, 5555, 5918, 11110, 14795, 27169, 29590, 54338, 135845, 271690, 298859, 597718, 1494295, 2988590]

約数ペア:

[(1, 2988590), (2, 1494295), (5, 597718), (10, 298859), (11, 271690), (22, 135845), (55, 54338), (101, 29590), (110, 27169), (202, 14795), (269, 11110), (505, 5918), (538, 5555), (1010, 2959), (1111, 2690), (1345, 2222)]