5678900

素因数分解:

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

素因数の和:644

約数の個数: 36

約数和(自身を含む): 12460140

約数和(自身を除く): 6781240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 521, 545, 1042, 1090, 2084, 2180, 2605, 2725, 5210, 5450, 10420, 10900, 13025, 26050, 52100, 56789, 113578, 227156, 283945, 567890, 1135780, 1419725, 2839450, 5678900]

約数ペア:

[(1, 5678900), (2, 2839450), (4, 1419725), (5, 1135780), (10, 567890), (20, 283945), (25, 227156), (50, 113578), (100, 56789), (109, 52100), (218, 26050), (436, 13025), (521, 10900), (545, 10420), (1042, 5450), (1090, 5210), (2084, 2725), (2180, 2605)]