30989860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140863}}^1$

素因数の和:140883

約数の個数: 24

約数和(自身を含む): 70995456

約数和(自身を除く): 40005596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 140863, 281726, 563452, 704315, 1408630, 1549493, 2817260, 3098986, 6197972, 7747465, 15494930, 30989860]

約数ペア:

[(1, 30989860), (2, 15494930), (4, 7747465), (5, 6197972), (10, 3098986), (11, 2817260), (20, 1549493), (22, 1408630), (44, 704315), (55, 563452), (110, 281726), (220, 140863)]