1489771780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10641227}}^1$

素因数の和:10641243

約数の個数: 24

約数和(自身を含む): 3575452608

約数和(自身を除く): 2085680828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10641227, 21282454, 42564908, 53206135, 74488589, 106412270, 148977178, 212824540, 297954356, 372442945, 744885890, 1489771780]

約数ペア:

[(1, 1489771780), (2, 744885890), (4, 372442945), (5, 297954356), (7, 212824540), (10, 148977178), (14, 106412270), (20, 74488589), (28, 53206135), (35, 42564908), (70, 21282454), (140, 10641227)]