1978820470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{304903}}^1$

素因数の和:304980

約数の個数: 32

約数和(自身を含む): 3951555840

約数和(自身を除く): 1972735370

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3245, 6490, 304903, 609806, 1524515, 3049030, 3353933, 6707866, 16769665, 17989277, 33539330, 35978554, 89946385, 179892770, 197882047, 395764094, 989410235, 1978820470]

約数ペア:

[(1, 1978820470), (2, 989410235), (5, 395764094), (10, 197882047), (11, 179892770), (22, 89946385), (55, 35978554), (59, 33539330), (110, 17989277), (118, 16769665), (295, 6707866), (590, 3353933), (649, 3049030), (1298, 1524515), (3245, 609806), (6490, 304903)]