257009490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{951887}}^1$

素因数の和:951903

約数の個数: 32

約数和(自身を含む): 685359360

約数和(自身を除く): 428349870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 951887, 1903774, 2855661, 4759435, 5711322, 8566983, 9518870, 14278305, 17133966, 25700949, 28556610, 42834915, 51401898, 85669830, 128504745, 257009490]

約数ペア:

[(1, 257009490), (2, 128504745), (3, 85669830), (5, 51401898), (6, 42834915), (9, 28556610), (10, 25700949), (15, 17133966), (18, 14278305), (27, 9518870), (30, 8566983), (45, 5711322), (54, 4759435), (90, 2855661), (135, 1903774), (270, 951887)]