30299720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68863}}^1$

素因数の和:68885

約数の個数: 32

約数和(自身を含む): 74373120

約数和(自身を除く): 44073400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 68863, 137726, 275452, 344315, 550904, 688630, 757493, 1377260, 1514986, 2754520, 3029972, 3787465, 6059944, 7574930, 15149860, 30299720]

約数ペア:

[(1, 30299720), (2, 15149860), (4, 7574930), (5, 6059944), (8, 3787465), (10, 3029972), (11, 2754520), (20, 1514986), (22, 1377260), (40, 757493), (44, 688630), (55, 550904), (88, 344315), (110, 275452), (220, 137726), (440, 68863)]