133408400

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1693}}^1$

素因数の和:1908

約数の個数: 60

約数和(自身を含む): 322330932

約数和(自身を除く): 188922532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 788, 985, 1576, 1693, 1970, 3152, 3386, 3940, 4925, 6772, 7880, 8465, 9850, 13544, 15760, 16930, 19700, 27088, 33860, 39400, 42325, 67720, 78800, 84650, 135440, 169300, 333521, 338600, 667042, 677200, 1334084, 1667605, 2668168, 3335210, 5336336, 6670420, 8338025, 13340840, 16676050, 26681680, 33352100, 66704200, 133408400]

約数ペア:

[(1, 133408400), (2, 66704200), (4, 33352100), (5, 26681680), (8, 16676050), (10, 13340840), (16, 8338025), (20, 6670420), (25, 5336336), (40, 3335210), (50, 2668168), (80, 1667605), (100, 1334084), (197, 677200), (200, 667042), (394, 338600), (400, 333521), (788, 169300), (985, 135440), (1576, 84650), (1693, 78800), (1970, 67720), (3152, 42325), (3386, 39400), (3940, 33860), (4925, 27088), (6772, 19700), (7880, 16930), (8465, 15760), (9850, 13544)]