237620

素因数分解:

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

素因数の和:227

約数の個数: 18

約数和(自身を含む): 503622

約数和(自身を除く): 266002

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 11881, 23762, 47524, 59405, 118810, 237620]

約数ペア:

[(1, 237620), (2, 118810), (4, 59405), (5, 47524), (10, 23762), (20, 11881), (109, 2180), (218, 1090), (436, 545)]