8220452020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{457}}^1\times {\mathrm{7433}}^1$

素因数の和:7921

約数の個数: 72

約数和(自身を含む): 19019056392

約数和(自身を除く): 10798604372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 457, 484, 605, 914, 1210, 1828, 2285, 2420, 4570, 5027, 7433, 9140, 10054, 14866, 20108, 25135, 29732, 37165, 50270, 55297, 74330, 81763, 100540, 110594, 148660, 163526, 221188, 276485, 327052, 408815, 552970, 817630, 899393, 1105940, 1635260, 1798786, 3396881, 3597572, 4496965, 6793762, 8993930, 13587524, 16984405, 17987860, 33968810, 37365691, 67937620, 74731382, 149462764, 186828455, 373656910, 411022601, 747313820, 822045202, 1644090404, 2055113005, 4110226010, 8220452020]

約数ペア:

[(1, 8220452020), (2, 4110226010), (4, 2055113005), (5, 1644090404), (10, 822045202), (11, 747313820), (20, 411022601), (22, 373656910), (44, 186828455), (55, 149462764), (110, 74731382), (121, 67937620), (220, 37365691), (242, 33968810), (457, 17987860), (484, 16984405), (605, 13587524), (914, 8993930), (1210, 6793762), (1828, 4496965), (2285, 3597572), (2420, 3396881), (4570, 1798786), (5027, 1635260), (7433, 1105940), (9140, 899393), (10054, 817630), (14866, 552970), (20108, 408815), (25135, 327052), (29732, 276485), (37165, 221188), (50270, 163526), (55297, 148660), (74330, 110594), (81763, 100540)]