27226780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{443}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 65640960

約数和(自身を除く): 38414180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 443, 878, 886, 1756, 1772, 2195, 2215, 3073, 3101, 4390, 4430, 6146, 6202, 8780, 8860, 12292, 12404, 15365, 15505, 30730, 31010, 61460, 62020, 194477, 388954, 777908, 972385, 1361339, 1944770, 2722678, 3889540, 5445356, 6806695, 13613390, 27226780]

約数ペア:

[(1, 27226780), (2, 13613390), (4, 6806695), (5, 5445356), (7, 3889540), (10, 2722678), (14, 1944770), (20, 1361339), (28, 972385), (35, 777908), (70, 388954), (140, 194477), (439, 62020), (443, 61460), (878, 31010), (886, 30730), (1756, 15505), (1772, 15365), (2195, 12404), (2215, 12292), (3073, 8860), (3101, 8780), (4390, 6202), (4430, 6146)]