30720242

素因数分解:

$2^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{5237}}^1$

素因数の和:5665

約数の個数: 16

約数和(自身を含む): 52799040

約数和(自身を除く): 22078798

約数列:

[1, 2, 7, 14, 419, 838, 2933, 5237, 5866, 10474, 36659, 73318, 2194303, 4388606, 15360121, 30720242]

約数ペア:

[(1, 30720242), (2, 15360121), (7, 4388606), (14, 2194303), (419, 73318), (838, 36659), (2933, 10474), (5237, 5866)]