1622740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 3975552

約数和(自身を除く): 2352812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 173, 268, 335, 346, 469, 670, 692, 865, 938, 1211, 1340, 1730, 1876, 2345, 2422, 3460, 4690, 4844, 6055, 9380, 11591, 12110, 23182, 24220, 46364, 57955, 81137, 115910, 162274, 231820, 324548, 405685, 811370, 1622740]

約数ペア:

[(1, 1622740), (2, 811370), (4, 405685), (5, 324548), (7, 231820), (10, 162274), (14, 115910), (20, 81137), (28, 57955), (35, 46364), (67, 24220), (70, 23182), (134, 12110), (140, 11591), (173, 9380), (268, 6055), (335, 4844), (346, 4690), (469, 3460), (670, 2422), (692, 2345), (865, 1876), (938, 1730), (1211, 1340)]