289647080

素因数分解:

$2^3\times 5^1\times {\mathrm{7241177}}^1$

素因数の和:7241188

約数の個数: 16

約数和(自身を含む): 651706020

約数和(自身を除く): 362058940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7241177, 14482354, 28964708, 36205885, 57929416, 72411770, 144823540, 289647080]

約数ペア:

[(1, 289647080), (2, 144823540), (4, 72411770), (5, 57929416), (8, 36205885), (10, 28964708), (20, 14482354), (40, 7241177)]