221438470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 445243392

約数和(自身を除く): 223804922

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 127, 131, 242, 254, 262, 605, 635, 655, 1210, 1270, 1310, 1331, 1397, 1441, 2662, 2794, 2882, 6655, 6985, 7205, 13310, 13970, 14410, 15367, 15851, 16637, 30734, 31702, 33274, 76835, 79255, 83185, 153670, 158510, 166370, 169037, 174361, 183007, 338074, 348722, 366014, 845185, 871805, 915035, 1690370, 1743610, 1830070, 2013077, 4026154, 10065385, 20130770, 22143847, 44287694, 110719235, 221438470]

約数ペア:

[(1, 221438470), (2, 110719235), (5, 44287694), (10, 22143847), (11, 20130770), (22, 10065385), (55, 4026154), (110, 2013077), (121, 1830070), (127, 1743610), (131, 1690370), (242, 915035), (254, 871805), (262, 845185), (605, 366014), (635, 348722), (655, 338074), (1210, 183007), (1270, 174361), (1310, 169037), (1331, 166370), (1397, 158510), (1441, 153670), (2662, 83185), (2794, 79255), (2882, 76835), (6655, 33274), (6985, 31702), (7205, 30734), (13310, 16637), (13970, 15851), (14410, 15367)]