2170291220

素因数分解:

$2^2\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{70327}}^1$

素因数の和:71879

約数の個数: 24

約数和(自身を含む): 4560630144

約数和(自身を除く): 2390338924

約数列:

[1, 2, 4, 5, 10, 20, 1543, 3086, 6172, 7715, 15430, 30860, 70327, 140654, 281308, 351635, 703270, 1406540, 108514561, 217029122, 434058244, 542572805, 1085145610, 2170291220]

約数ペア:

[(1, 2170291220), (2, 1085145610), (4, 542572805), (5, 434058244), (10, 217029122), (20, 108514561), (1543, 1406540), (3086, 703270), (6172, 351635), (7715, 281308), (15430, 140654), (30860, 70327)]