208530740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5479}}^1$

素因数の和:5672

約数の個数: 48

約数和(自身を含む): 480574080

約数和(自身を除く): 272043340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1903, 3460, 3806, 5479, 7612, 9515, 10958, 19030, 21916, 27395, 38060, 54790, 60269, 109580, 120538, 241076, 301345, 602690, 947867, 1205380, 1895734, 3791468, 4739335, 9478670, 10426537, 18957340, 20853074, 41706148, 52132685, 104265370, 208530740]

約数ペア:

[(1, 208530740), (2, 104265370), (4, 52132685), (5, 41706148), (10, 20853074), (11, 18957340), (20, 10426537), (22, 9478670), (44, 4739335), (55, 3791468), (110, 1895734), (173, 1205380), (220, 947867), (346, 602690), (692, 301345), (865, 241076), (1730, 120538), (1903, 109580), (3460, 60269), (3806, 54790), (5479, 38060), (7612, 27395), (9515, 21916), (10958, 19030)]