2191450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1122

約数の個数: 24

約数和(自身を含む): 4179420

約数和(自身を除く): 1987970

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 1069, 2050, 2138, 5345, 10690, 26725, 43829, 53450, 87658, 219145, 438290, 1095725, 2191450]

約数ペア:

[(1, 2191450), (2, 1095725), (5, 438290), (10, 219145), (25, 87658), (41, 53450), (50, 43829), (82, 26725), (205, 10690), (410, 5345), (1025, 2138), (1069, 2050)]