2981990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27109}}^1$

素因数の和:27127

約数の個数: 16

約数和(自身を含む): 5855760

約数和(自身を除く): 2873770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 27109, 54218, 135545, 271090, 298199, 596398, 1490995, 2981990]

約数ペア:

[(1, 2981990), (2, 1490995), (5, 596398), (10, 298199), (11, 271090), (22, 135545), (55, 54218), (110, 27109)]