2138780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15277}}^1$

素因数の和:15293

約数の個数: 24

約数和(自身を含む): 5133408

約数和(自身を除く): 2994628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15277, 30554, 61108, 76385, 106939, 152770, 213878, 305540, 427756, 534695, 1069390, 2138780]

約数ペア:

[(1, 2138780), (2, 1069390), (4, 534695), (5, 427756), (7, 305540), (10, 213878), (14, 152770), (20, 106939), (28, 76385), (35, 61108), (70, 30554), (140, 15277)]