2785720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9949}}^1$

素因数の和:9967

約数の個数: 32

約数和(自身を含む): 7164000

約数和(自身を除く): 4378280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9949, 19898, 39796, 49745, 69643, 79592, 99490, 139286, 198980, 278572, 348215, 397960, 557144, 696430, 1392860, 2785720]

約数ペア:

[(1, 2785720), (2, 1392860), (4, 696430), (5, 557144), (7, 397960), (8, 348215), (10, 278572), (14, 198980), (20, 139286), (28, 99490), (35, 79592), (40, 69643), (56, 49745), (70, 39796), (140, 19898), (280, 9949)]