84437320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191903}}^1$

素因数の和:191925

約数の個数: 32

約数和(自身を含む): 207256320

約数和(自身を除く): 122819000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 191903, 383806, 767612, 959515, 1535224, 1919030, 2110933, 3838060, 4221866, 7676120, 8443732, 10554665, 16887464, 21109330, 42218660, 84437320]

約数ペア:

[(1, 84437320), (2, 42218660), (4, 21109330), (5, 16887464), (8, 10554665), (10, 8443732), (11, 7676120), (20, 4221866), (22, 3838060), (40, 2110933), (44, 1919030), (55, 1535224), (88, 959515), (110, 767612), (220, 383806), (440, 191903)]