418710448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1049}}^1$

素因数の和:1190

約数の個数: 80

約数和(自身を含む): 929628000

約数和(自身を除く): 510917552

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 101, 104, 152, 202, 208, 247, 304, 404, 494, 808, 988, 1049, 1313, 1616, 1919, 1976, 2098, 2626, 3838, 3952, 4196, 5252, 7676, 8392, 10504, 13637, 15352, 16784, 19931, 21008, 24947, 27274, 30704, 39862, 49894, 54548, 79724, 99788, 105949, 109096, 159448, 199576, 211898, 218192, 259103, 318896, 399152, 423796, 518206, 847592, 1036412, 1377337, 1695184, 2013031, 2072824, 2754674, 4026062, 4145648, 5509348, 8052124, 11018696, 16104248, 22037392, 26169403, 32208496, 52338806, 104677612, 209355224, 418710448]

約数ペア:

[(1, 418710448), (2, 209355224), (4, 104677612), (8, 52338806), (13, 32208496), (16, 26169403), (19, 22037392), (26, 16104248), (38, 11018696), (52, 8052124), (76, 5509348), (101, 4145648), (104, 4026062), (152, 2754674), (202, 2072824), (208, 2013031), (247, 1695184), (304, 1377337), (404, 1036412), (494, 847592), (808, 518206), (988, 423796), (1049, 399152), (1313, 318896), (1616, 259103), (1919, 218192), (1976, 211898), (2098, 199576), (2626, 159448), (3838, 109096), (3952, 105949), (4196, 99788), (5252, 79724), (7676, 54548), (8392, 49894), (10504, 39862), (13637, 30704), (15352, 27274), (16784, 24947), (19931, 21008)]