2697990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 6531840

約数和(自身を除く): 3833850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 647, 695, 834, 1294, 1390, 1941, 2085, 3235, 3882, 4170, 6470, 9705, 19410, 89933, 179866, 269799, 449665, 539598, 899330, 1348995, 2697990]

約数ペア:

[(1, 2697990), (2, 1348995), (3, 899330), (5, 539598), (6, 449665), (10, 269799), (15, 179866), (30, 89933), (139, 19410), (278, 9705), (417, 6470), (647, 4170), (695, 3882), (834, 3235), (1294, 2085), (1390, 1941)]