868120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1973}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 2131920

約数和(自身を除く): 1263800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1973, 3946, 7892, 9865, 15784, 19730, 21703, 39460, 43406, 78920, 86812, 108515, 173624, 217030, 434060, 868120]

約数ペア:

[(1, 868120), (2, 434060), (4, 217030), (5, 173624), (8, 108515), (10, 86812), (11, 78920), (20, 43406), (22, 39460), (40, 21703), (44, 19730), (55, 15784), (88, 9865), (110, 7892), (220, 3946), (440, 1973)]