180601820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1290013}}^1$

素因数の和:1290029

約数の個数: 24

約数和(自身を含む): 433444704

約数和(自身を除く): 252842884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1290013, 2580026, 5160052, 6450065, 9030091, 12900130, 18060182, 25800260, 36120364, 45150455, 90300910, 180601820]

約数ペア:

[(1, 180601820), (2, 90300910), (4, 45150455), (5, 36120364), (7, 25800260), (10, 18060182), (14, 12900130), (20, 9030091), (28, 6450065), (35, 5160052), (70, 2580026), (140, 1290013)]