138912420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{121853}}^1$

素因数の和:121884

約数の個数: 48

約数和(自身を含む): 409429440

約数和(自身を除く): 270517020

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, 121853, 243706, 365559, 487412, 609265, 731118, 1218530, 1462236, 1827795, 2315207, 2437060, 3655590, 4630414, 6945621, 7311180, 9260828, 11576035, 13891242, 23152070, 27782484, 34728105, 46304140, 69456210, 138912420]

約数ペア:

[(1, 138912420), (2, 69456210), (3, 46304140), (4, 34728105), (5, 27782484), (6, 23152070), (10, 13891242), (12, 11576035), (15, 9260828), (19, 7311180), (20, 6945621), (30, 4630414), (38, 3655590), (57, 2437060), (60, 2315207), (76, 1827795), (95, 1462236), (114, 1218530), (190, 731118), (228, 609265), (285, 487412), (380, 365559), (570, 243706), (1140, 121853)]