105478940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{753421}}^1$

素因数の和:753437

約数の個数: 24

約数和(自身を含む): 253149792

約数和(自身を除く): 147670852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 753421, 1506842, 3013684, 3767105, 5273947, 7534210, 10547894, 15068420, 21095788, 26369735, 52739470, 105478940]

約数ペア:

[(1, 105478940), (2, 52739470), (4, 26369735), (5, 21095788), (7, 15068420), (10, 10547894), (14, 7534210), (20, 5273947), (28, 3767105), (35, 3013684), (70, 1506842), (140, 753421)]