1979683070

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{20407}}^1$

素因数の和:20612

約数の個数: 32

約数和(自身を含む): 3636705600

約数和(自身を除く): 1657022530

約数列:

[1, 2, 5, 10, 89, 109, 178, 218, 445, 545, 890, 1090, 9701, 19402, 20407, 40814, 48505, 97010, 102035, 204070, 1816223, 2224363, 3632446, 4448726, 9081115, 11121815, 18162230, 22243630, 197968307, 395936614, 989841535, 1979683070]

約数ペア:

[(1, 1979683070), (2, 989841535), (5, 395936614), (10, 197968307), (89, 22243630), (109, 18162230), (178, 11121815), (218, 9081115), (445, 4448726), (545, 3632446), (890, 2224363), (1090, 1816223), (9701, 204070), (19402, 102035), (20407, 97010), (40814, 48505)]