129800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:86

約数の個数: 48

約数和(自身を含む): 334800

約数和(自身を除く): 205000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 59, 88, 100, 110, 118, 200, 220, 236, 275, 295, 440, 472, 550, 590, 649, 1100, 1180, 1298, 1475, 2200, 2360, 2596, 2950, 3245, 5192, 5900, 6490, 11800, 12980, 16225, 25960, 32450, 64900, 129800]

約数ペア:

[(1, 129800), (2, 64900), (4, 32450), (5, 25960), (8, 16225), (10, 12980), (11, 11800), (20, 6490), (22, 5900), (25, 5192), (40, 3245), (44, 2950), (50, 2596), (55, 2360), (59, 2200), (88, 1475), (100, 1298), (110, 1180), (118, 1100), (200, 649), (220, 590), (236, 550), (275, 472), (295, 440)]