804921580

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{293767}}^1$

素因数の和:293913

約数の個数: 24

約数和(自身を含む): 1702679328

約数和(自身を除く): 897757748

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 293767, 587534, 1175068, 1468835, 2937670, 5875340, 40246079, 80492158, 160984316, 201230395, 402460790, 804921580]

約数ペア:

[(1, 804921580), (2, 402460790), (4, 201230395), (5, 160984316), (10, 80492158), (20, 40246079), (137, 5875340), (274, 2937670), (548, 1468835), (685, 1175068), (1370, 587534), (2740, 293767)]