129527500

素因数分解:

$2^2\times 5^4\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:484

約数の個数: 60

約数和(自身を含む): 285771024

約数和(自身を除く): 156243524

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 197, 250, 263, 394, 500, 526, 625, 788, 985, 1052, 1250, 1315, 1970, 2500, 2630, 3940, 4925, 5260, 6575, 9850, 13150, 19700, 24625, 26300, 32875, 49250, 51811, 65750, 98500, 103622, 123125, 131500, 164375, 207244, 246250, 259055, 328750, 492500, 518110, 657500, 1036220, 1295275, 2590550, 5181100, 6476375, 12952750, 25905500, 32381875, 64763750, 129527500]

約数ペア:

[(1, 129527500), (2, 64763750), (4, 32381875), (5, 25905500), (10, 12952750), (20, 6476375), (25, 5181100), (50, 2590550), (100, 1295275), (125, 1036220), (197, 657500), (250, 518110), (263, 492500), (394, 328750), (500, 259055), (526, 246250), (625, 207244), (788, 164375), (985, 131500), (1052, 123125), (1250, 103622), (1315, 98500), (1970, 65750), (2500, 51811), (2630, 49250), (3940, 32875), (4925, 26300), (5260, 24625), (6575, 19700), (9850, 13150)]