121290800

素因数分解:

$2^4\times 5^2\times {\mathrm{353}}^1\times {\mathrm{859}}^1$

素因数の和:1230

約数の個数: 60

約数和(自身を含む): 292566840

約数和(自身を除く): 171276040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 353, 400, 706, 859, 1412, 1718, 1765, 2824, 3436, 3530, 4295, 5648, 6872, 7060, 8590, 8825, 13744, 14120, 17180, 17650, 21475, 28240, 34360, 35300, 42950, 68720, 70600, 85900, 141200, 171800, 303227, 343600, 606454, 1212908, 1516135, 2425816, 3032270, 4851632, 6064540, 7580675, 12129080, 15161350, 24258160, 30322700, 60645400, 121290800]

約数ペア:

[(1, 121290800), (2, 60645400), (4, 30322700), (5, 24258160), (8, 15161350), (10, 12129080), (16, 7580675), (20, 6064540), (25, 4851632), (40, 3032270), (50, 2425816), (80, 1516135), (100, 1212908), (200, 606454), (353, 343600), (400, 303227), (706, 171800), (859, 141200), (1412, 85900), (1718, 70600), (1765, 68720), (2824, 42950), (3436, 35300), (3530, 34360), (4295, 28240), (5648, 21475), (6872, 17650), (7060, 17180), (8590, 14120), (8825, 13744)]