189801880

素因数分解:

$2^3\times 5^1\times {\mathrm{4745047}}^1$

素因数の和:4745058

約数の個数: 16

約数和(自身を含む): 427054320

約数和(自身を除く): 237252440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4745047, 9490094, 18980188, 23725235, 37960376, 47450470, 94900940, 189801880]

約数ペア:

[(1, 189801880), (2, 94900940), (4, 47450470), (5, 37960376), (8, 23725235), (10, 18980188), (20, 9490094), (40, 4745047)]