1188100

素因数分解:

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

素因数の和:232

約数の個数: 27

約数和(自身を含む): 2602047

約数和(自身を除く): 1413947

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 11881, 23762, 47524, 59405, 118810, 237620, 297025, 594050, 1188100]

約数ペア:

[(1, 1188100), (2, 594050), (4, 297025), (5, 237620), (10, 118810), (20, 59405), (25, 47524), (50, 23762), (100, 11881), (109, 10900), (218, 5450), (436, 2725), (545, 2180)]