9805180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6367}}^1$

素因数の和:6394

約数の個数: 48

約数和(自身を含む): 25675776

約数和(自身を除く): 15870596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 6367, 12734, 25468, 31835, 44569, 63670, 70037, 89138, 127340, 140074, 178276, 222845, 280148, 350185, 445690, 490259, 700370, 891380, 980518, 1400740, 1961036, 2451295, 4902590, 9805180]

約数ペア:

[(1, 9805180), (2, 4902590), (4, 2451295), (5, 1961036), (7, 1400740), (10, 980518), (11, 891380), (14, 700370), (20, 490259), (22, 445690), (28, 350185), (35, 280148), (44, 222845), (55, 178276), (70, 140074), (77, 127340), (110, 89138), (140, 70037), (154, 63670), (220, 44569), (308, 31835), (385, 25468), (770, 12734), (1540, 6367)]