1392860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9949}}^1$

素因数の和:9965

約数の個数: 24

約数和(自身を含む): 3343200

約数和(自身を除く): 1950340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9949, 19898, 39796, 49745, 69643, 99490, 139286, 198980, 278572, 348215, 696430, 1392860]

約数ペア:

[(1, 1392860), (2, 696430), (4, 348215), (5, 278572), (7, 198980), (10, 139286), (14, 99490), (20, 69643), (28, 49745), (35, 39796), (70, 19898), (140, 9949)]