348520220980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{159871661}}^1$

素因数の和:159871779

約数の個数: 24

約数和(自身を含む): 738607078440

約数和(自身を除く): 390086857460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 159871661, 319743322, 639486644, 799358305, 1598716610, 3197433220, 17426011049, 34852022098, 69704044196, 87130055245, 174260110490, 348520220980]

約数ペア:

[(1, 348520220980), (2, 174260110490), (4, 87130055245), (5, 69704044196), (10, 34852022098), (20, 17426011049), (109, 3197433220), (218, 1598716610), (436, 799358305), (545, 639486644), (1090, 319743322), (2180, 159871661)]