29990840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68161}}^1$

素因数の和:68183

約数の個数: 32

約数和(自身を含む): 73614960

約数和(自身を除く): 43624120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 68161, 136322, 272644, 340805, 545288, 681610, 749771, 1363220, 1499542, 2726440, 2999084, 3748855, 5998168, 7497710, 14995420, 29990840]

約数ペア:

[(1, 29990840), (2, 14995420), (4, 7497710), (5, 5998168), (8, 3748855), (10, 2999084), (11, 2726440), (20, 1499542), (22, 1363220), (40, 749771), (44, 681610), (55, 545288), (88, 340805), (110, 272644), (220, 136322), (440, 68161)]