991540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4507}}^1$

素因数の和:4527

約数の個数: 24

約数和(自身を含む): 2272032

約数和(自身を除く): 1280492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 4507, 9014, 18028, 22535, 45070, 49577, 90140, 99154, 198308, 247885, 495770, 991540]

約数ペア:

[(1, 991540), (2, 495770), (4, 247885), (5, 198308), (10, 99154), (11, 90140), (20, 49577), (22, 45070), (44, 22535), (55, 18028), (110, 9014), (220, 4507)]