2839450

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 24

約数和(自身を含む): 5340060

約数和(自身を除く): 2500610

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 521, 545, 1042, 1090, 2605, 2725, 5210, 5450, 13025, 26050, 56789, 113578, 283945, 567890, 1419725, 2839450]

約数ペア:

[(1, 2839450), (2, 1419725), (5, 567890), (10, 283945), (25, 113578), (50, 56789), (109, 26050), (218, 13025), (521, 5450), (545, 5210), (1042, 2725), (1090, 2605)]