140960980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{64661}}^1$

素因数の和:64779

約数の個数: 24

約数和(自身を含む): 298738440

約数和(自身を除く): 157777460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 64661, 129322, 258644, 323305, 646610, 1293220, 7048049, 14096098, 28192196, 35240245, 70480490, 140960980]

約数ペア:

[(1, 140960980), (2, 70480490), (4, 35240245), (5, 28192196), (10, 14096098), (20, 7048049), (109, 1293220), (218, 646610), (436, 323305), (545, 258644), (1090, 129322), (2180, 64661)]