1720004890

素因数分解:

$2^1\times 5^1\times {\mathrm{2803}}^1\times {\mathrm{61363}}^1$

素因数の和:64173

約数の個数: 16

約数和(自身を含む): 3097163808

約数和(自身を除く): 1377158918

約数列:

[1, 2, 5, 10, 2803, 5606, 14015, 28030, 61363, 122726, 306815, 613630, 172000489, 344000978, 860002445, 1720004890]

約数ペア:

[(1, 1720004890), (2, 860002445), (5, 344000978), (10, 172000489), (2803, 613630), (5606, 306815), (14015, 122726), (28030, 61363)]