27478780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{196277}}^1$

素因数の和:196293

約数の個数: 24

約数和(自身を含む): 65949408

約数和(自身を除く): 38470628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 196277, 392554, 785108, 981385, 1373939, 1962770, 2747878, 3925540, 5495756, 6869695, 13739390, 27478780]

約数ペア:

[(1, 27478780), (2, 13739390), (4, 6869695), (5, 5495756), (7, 3925540), (10, 2747878), (14, 1962770), (20, 1373939), (28, 981385), (35, 785108), (70, 392554), (140, 196277)]