388604975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 548000640

約数和(自身を除く): 159395665

約数列:

[1, 5, 11, 25, 43, 55, 59, 215, 275, 295, 473, 557, 649, 1075, 1475, 2365, 2537, 2785, 3245, 6127, 11825, 12685, 13925, 16225, 23951, 27907, 30635, 32863, 63425, 119755, 139535, 153175, 164315, 263461, 361493, 598775, 697675, 821575, 1317305, 1413109, 1807465, 6586525, 7065545, 9037325, 15544199, 35327725, 77720995, 388604975]

約数ペア:

[(1, 388604975), (5, 77720995), (11, 35327725), (25, 15544199), (43, 9037325), (55, 7065545), (59, 6586525), (215, 1807465), (275, 1413109), (295, 1317305), (473, 821575), (557, 697675), (649, 598775), (1075, 361493), (1475, 263461), (2365, 164315), (2537, 153175), (2785, 139535), (3245, 119755), (6127, 63425), (11825, 32863), (12685, 30635), (13925, 27907), (16225, 23951)]