1394660

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 2955960

約数和(自身を除く): 1561300

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 509, 548, 685, 1018, 1370, 2036, 2545, 2740, 5090, 10180, 69733, 139466, 278932, 348665, 697330, 1394660]

約数ペア:

[(1, 1394660), (2, 697330), (4, 348665), (5, 278932), (10, 139466), (20, 69733), (137, 10180), (274, 5090), (509, 2740), (548, 2545), (685, 2036), (1018, 1370)]