68131900

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{3229}}^1$

素因数の和:3454

約数の個数: 36

約数和(自身を含む): 148592920

約数和(自身を除く): 80461020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 422, 844, 1055, 2110, 3229, 4220, 5275, 6458, 10550, 12916, 16145, 21100, 32290, 64580, 80725, 161450, 322900, 681319, 1362638, 2725276, 3406595, 6813190, 13626380, 17032975, 34065950, 68131900]

約数ペア:

[(1, 68131900), (2, 34065950), (4, 17032975), (5, 13626380), (10, 6813190), (20, 3406595), (25, 2725276), (50, 1362638), (100, 681319), (211, 322900), (422, 161450), (844, 80725), (1055, 64580), (2110, 32290), (3229, 21100), (4220, 16145), (5275, 12916), (6458, 10550)]