71021900

素因数分解:

$2^2\times 5^2\times {\mathrm{710219}}^1$

素因数の和:710233

約数の個数: 18

約数和(自身を含む): 154117740

約数和(自身を除く): 83095840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 710219, 1420438, 2840876, 3551095, 7102190, 14204380, 17755475, 35510950, 71021900]

約数ペア:

[(1, 71021900), (2, 35510950), (4, 17755475), (5, 14204380), (10, 7102190), (20, 3551095), (25, 2840876), (50, 1420438), (100, 710219)]