389618940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{341771}}^1$

素因数の和:341802

約数の個数: 48

約数和(自身を含む): 1148353920

約数和(自身を除く): 758734980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 341771, 683542, 1025313, 1367084, 1708855, 2050626, 3417710, 4101252, 5126565, 6493649, 6835420, 10253130, 12987298, 19480947, 20506260, 25974596, 32468245, 38961894, 64936490, 77923788, 97404735, 129872980, 194809470, 389618940]

約数ペア:

[(1, 389618940), (2, 194809470), (3, 129872980), (4, 97404735), (5, 77923788), (6, 64936490), (10, 38961894), (12, 32468245), (15, 25974596), (19, 20506260), (20, 19480947), (30, 12987298), (38, 10253130), (57, 6835420), (60, 6493649), (76, 5126565), (95, 4101252), (114, 3417710), (190, 2050626), (228, 1708855), (285, 1367084), (380, 1025313), (570, 683542), (1140, 341771)]