168797500

素因数分解:

$2^2\times 5^4\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:544

約数の個数: 60

約数和(自身を含む): 371974680

約数和(自身を除く): 203177180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 251, 269, 500, 502, 538, 625, 1004, 1076, 1250, 1255, 1345, 2500, 2510, 2690, 5020, 5380, 6275, 6725, 12550, 13450, 25100, 26900, 31375, 33625, 62750, 67250, 67519, 125500, 134500, 135038, 156875, 168125, 270076, 313750, 336250, 337595, 627500, 672500, 675190, 1350380, 1687975, 3375950, 6751900, 8439875, 16879750, 33759500, 42199375, 84398750, 168797500]

約数ペア:

[(1, 168797500), (2, 84398750), (4, 42199375), (5, 33759500), (10, 16879750), (20, 8439875), (25, 6751900), (50, 3375950), (100, 1687975), (125, 1350380), (250, 675190), (251, 672500), (269, 627500), (500, 337595), (502, 336250), (538, 313750), (625, 270076), (1004, 168125), (1076, 156875), (1250, 135038), (1255, 134500), (1345, 125500), (2500, 67519), (2510, 67250), (2690, 62750), (5020, 33625), (5380, 31375), (6275, 26900), (6725, 25100), (12550, 13450)]