225919940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3343}}^1$

素因数の和:3492

約数の個数: 48

約数和(自身を含む): 494376960

約数和(自身を除く): 268457020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 1090, 2180, 3343, 3379, 6686, 6758, 13372, 13516, 16715, 16895, 33430, 33790, 66860, 67580, 103633, 207266, 364387, 414532, 518165, 728774, 1036330, 1457548, 1821935, 2072660, 3643870, 7287740, 11295997, 22591994, 45183988, 56479985, 112959970, 225919940]

約数ペア:

[(1, 225919940), (2, 112959970), (4, 56479985), (5, 45183988), (10, 22591994), (20, 11295997), (31, 7287740), (62, 3643870), (109, 2072660), (124, 1821935), (155, 1457548), (218, 1036330), (310, 728774), (436, 518165), (545, 414532), (620, 364387), (1090, 207266), (2180, 103633), (3343, 67580), (3379, 66860), (6686, 33790), (6758, 33430), (13372, 16895), (13516, 16715)]