280355325

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1553}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 485593920

約数和(自身を除く): 205238595

約数列:

[1, 3, 5, 15, 25, 29, 75, 83, 87, 145, 249, 415, 435, 725, 1245, 1553, 2075, 2175, 2407, 4659, 6225, 7221, 7765, 12035, 23295, 36105, 38825, 45037, 60175, 116475, 128899, 135111, 180525, 225185, 386697, 644495, 675555, 1125925, 1933485, 3222475, 3377775, 3738071, 9667425, 11214213, 18690355, 56071065, 93451775, 280355325]

約数ペア:

[(1, 280355325), (3, 93451775), (5, 56071065), (15, 18690355), (25, 11214213), (29, 9667425), (75, 3738071), (83, 3377775), (87, 3222475), (145, 1933485), (249, 1125925), (415, 675555), (435, 644495), (725, 386697), (1245, 225185), (1553, 180525), (2075, 135111), (2175, 128899), (2407, 116475), (4659, 60175), (6225, 45037), (7221, 38825), (7765, 36105), (12035, 23295)]