199980500

素因数分解:

$2^2\times 5^3\times {\mathrm{59}}^1\times {\mathrm{6779}}^1$

素因数の和:6857

約数の個数: 48

約数和(自身を含む): 444225600

約数和(自身を除く): 244245100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 125, 236, 250, 295, 500, 590, 1180, 1475, 2950, 5900, 6779, 7375, 13558, 14750, 27116, 29500, 33895, 67790, 135580, 169475, 338950, 399961, 677900, 799922, 847375, 1599844, 1694750, 1999805, 3389500, 3999610, 7999220, 9999025, 19998050, 39996100, 49995125, 99990250, 199980500]

約数ペア:

[(1, 199980500), (2, 99990250), (4, 49995125), (5, 39996100), (10, 19998050), (20, 9999025), (25, 7999220), (50, 3999610), (59, 3389500), (100, 1999805), (118, 1694750), (125, 1599844), (236, 847375), (250, 799922), (295, 677900), (500, 399961), (590, 338950), (1180, 169475), (1475, 135580), (2950, 67790), (5900, 33895), (6779, 29500), (7375, 27116), (13558, 14750)]