1768180

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 3739680

約数和(自身を除く): 1971500

約数列:

[1, 2, 4, 5, 10, 20, 211, 419, 422, 838, 844, 1055, 1676, 2095, 2110, 4190, 4220, 8380, 88409, 176818, 353636, 442045, 884090, 1768180]

約数ペア:

[(1, 1768180), (2, 884090), (4, 442045), (5, 353636), (10, 176818), (20, 88409), (211, 8380), (419, 4220), (422, 4190), (838, 2110), (844, 2095), (1055, 1676)]