74153780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{78887}}^1$

素因数の和:78943

約数の個数: 24

約数和(自身を含む): 159038208

約数和(自身を除く): 84884428

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 78887, 157774, 315548, 394435, 788870, 1577740, 3707689, 7415378, 14830756, 18538445, 37076890, 74153780]

約数ペア:

[(1, 74153780), (2, 37076890), (4, 18538445), (5, 14830756), (10, 7415378), (20, 3707689), (47, 1577740), (94, 788870), (188, 394435), (235, 315548), (470, 157774), (940, 78887)]