28646660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2803}}^1$

素因数の和:2892

約数の個数: 48

約数和(自身を含む): 69718656

約数和(自身を除く): 41071996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 2803, 5110, 5606, 10220, 11212, 14015, 19621, 28030, 39242, 56060, 78484, 98105, 196210, 204619, 392420, 409238, 818476, 1023095, 1432333, 2046190, 2864666, 4092380, 5729332, 7161665, 14323330, 28646660]

約数ペア:

[(1, 28646660), (2, 14323330), (4, 7161665), (5, 5729332), (7, 4092380), (10, 2864666), (14, 2046190), (20, 1432333), (28, 1023095), (35, 818476), (70, 409238), (73, 392420), (140, 204619), (146, 196210), (292, 98105), (365, 78484), (511, 56060), (730, 39242), (1022, 28030), (1460, 19621), (2044, 14015), (2555, 11212), (2803, 10220), (5110, 5606)]