204066380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{208231}}^1$

素因数の和:208254

約数の個数: 36

約数和(自身を含む): 498507408

約数和(自身を除く): 294441028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 208231, 416462, 832924, 1041155, 1457617, 2082310, 2915234, 4164620, 5830468, 7288085, 10203319, 14576170, 20406638, 29152340, 40813276, 51016595, 102033190, 204066380]

約数ペア:

[(1, 204066380), (2, 102033190), (4, 51016595), (5, 40813276), (7, 29152340), (10, 20406638), (14, 14576170), (20, 10203319), (28, 7288085), (35, 5830468), (49, 4164620), (70, 2915234), (98, 2082310), (140, 1457617), (196, 1041155), (245, 832924), (490, 416462), (980, 208231)]