207930940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1485221}}^1$

素因数の和:1485237

約数の個数: 24

約数和(自身を含む): 499034592

約数和(自身を除く): 291103652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1485221, 2970442, 5940884, 7426105, 10396547, 14852210, 20793094, 29704420, 41586188, 51982735, 103965470, 207930940]

約数ペア:

[(1, 207930940), (2, 103965470), (4, 51982735), (5, 41586188), (7, 29704420), (10, 20793094), (14, 14852210), (20, 10396547), (28, 7426105), (35, 5940884), (70, 2970442), (140, 1485221)]