210957880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{753421}}^1$

素因数の和:753439

約数の個数: 32

約数和(自身を含む): 542463840

約数和(自身を除く): 331505960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 753421, 1506842, 3013684, 3767105, 5273947, 6027368, 7534210, 10547894, 15068420, 21095788, 26369735, 30136840, 42191576, 52739470, 105478940, 210957880]

約数ペア:

[(1, 210957880), (2, 105478940), (4, 52739470), (5, 42191576), (7, 30136840), (8, 26369735), (10, 21095788), (14, 15068420), (20, 10547894), (28, 7534210), (35, 6027368), (40, 5273947), (56, 3767105), (70, 3013684), (140, 1506842), (280, 753421)]