142744220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{65479}}^1$

素因数の和:65597

約数の個数: 24

約数和(自身を含む): 302517600

約数和(自身を除く): 159773380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 65479, 130958, 261916, 327395, 654790, 1309580, 7137211, 14274422, 28548844, 35686055, 71372110, 142744220]

約数ペア:

[(1, 142744220), (2, 71372110), (4, 35686055), (5, 28548844), (10, 14274422), (20, 7137211), (109, 1309580), (218, 654790), (436, 327395), (545, 261916), (1090, 130958), (2180, 65479)]