990197294590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{21400417}}^1$

素因数の和:21401092

約数の個数: 32

約数和(自身を含む): 2040059047104

約数和(自身を除く): 1049861752514

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 661, 1322, 3305, 4627, 6610, 9254, 23135, 46270, 21400417, 42800834, 107002085, 149802919, 214004170, 299605838, 749014595, 1498029190, 14145675637, 28291351274, 70728378185, 99019729459, 141456756370, 198039458918, 495098647295, 990197294590]

約数ペア:

[(1, 990197294590), (2, 495098647295), (5, 198039458918), (7, 141456756370), (10, 99019729459), (14, 70728378185), (35, 28291351274), (70, 14145675637), (661, 1498029190), (1322, 749014595), (3305, 299605838), (4627, 214004170), (6610, 149802919), (9254, 107002085), (23135, 42800834), (46270, 21400417)]