30387740

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2143}}^1$

素因数の和:2861

約数の個数: 24

約数和(自身を含む): 63934080

約数和(自身を除く): 33546340

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2143, 2836, 3545, 4286, 7090, 8572, 10715, 14180, 21430, 42860, 1519387, 3038774, 6077548, 7596935, 15193870, 30387740]

約数ペア:

[(1, 30387740), (2, 15193870), (4, 7596935), (5, 6077548), (10, 3038774), (20, 1519387), (709, 42860), (1418, 21430), (2143, 14180), (2836, 10715), (3545, 8572), (4286, 7090)]