138931540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631507}}^1$

素因数の和:631527

約数の個数: 24

約数和(自身を含む): 318280032

約数和(自身を除く): 179348492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 631507, 1263014, 2526028, 3157535, 6315070, 6946577, 12630140, 13893154, 27786308, 34732885, 69465770, 138931540]

約数ペア:

[(1, 138931540), (2, 69465770), (4, 34732885), (5, 27786308), (10, 13893154), (11, 12630140), (20, 6946577), (22, 6315070), (44, 3157535), (55, 2526028), (110, 1263014), (220, 631507)]