1219878910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2125

約数の個数: 48

約数和(自身を含む): 2306421936

約数和(自身を除く): 1086543026

約数列:

[1, 2, 5, 10, 29, 58, 73, 145, 146, 290, 365, 730, 841, 1682, 1987, 2117, 3974, 4205, 4234, 8410, 9935, 10585, 19870, 21170, 57623, 61393, 115246, 122786, 145051, 288115, 290102, 306965, 576230, 613930, 725255, 1450510, 1671067, 3342134, 4206479, 8355335, 8412958, 16710670, 21032395, 42064790, 121987891, 243975782, 609939455, 1219878910]

約数ペア:

[(1, 1219878910), (2, 609939455), (5, 243975782), (10, 121987891), (29, 42064790), (58, 21032395), (73, 16710670), (145, 8412958), (146, 8355335), (290, 4206479), (365, 3342134), (730, 1671067), (841, 1450510), (1682, 725255), (1987, 613930), (2117, 576230), (3974, 306965), (4205, 290102), (4234, 288115), (8410, 145051), (9935, 122786), (10585, 115246), (19870, 61393), (21170, 57623)]