1872980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1319}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 3991680

約数和(自身を除く): 2118700

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1319, 1420, 2638, 5276, 6595, 13190, 26380, 93649, 187298, 374596, 468245, 936490, 1872980]

約数ペア:

[(1, 1872980), (2, 936490), (4, 468245), (5, 374596), (10, 187298), (20, 93649), (71, 26380), (142, 13190), (284, 6595), (355, 5276), (710, 2638), (1319, 1420)]