1291780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9227}}^1$

素因数の和:9243

約数の個数: 24

約数和(自身を含む): 3100608

約数和(自身を除く): 1808828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9227, 18454, 36908, 46135, 64589, 92270, 129178, 184540, 258356, 322945, 645890, 1291780]

約数ペア:

[(1, 1291780), (2, 645890), (4, 322945), (5, 258356), (7, 184540), (10, 129178), (14, 92270), (20, 64589), (28, 46135), (35, 36908), (70, 18454), (140, 9227)]