199971400

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{9173}}^1$

素因数の和:9298

約数の個数: 48

約数和(自身を含む): 469250100

約数和(自身を除く): 269278700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 1090, 2180, 2725, 4360, 5450, 9173, 10900, 18346, 21800, 36692, 45865, 73384, 91730, 183460, 229325, 366920, 458650, 917300, 999857, 1834600, 1999714, 3999428, 4999285, 7998856, 9998570, 19997140, 24996425, 39994280, 49992850, 99985700, 199971400]

約数ペア:

[(1, 199971400), (2, 99985700), (4, 49992850), (5, 39994280), (8, 24996425), (10, 19997140), (20, 9998570), (25, 7998856), (40, 4999285), (50, 3999428), (100, 1999714), (109, 1834600), (200, 999857), (218, 917300), (436, 458650), (545, 366920), (872, 229325), (1090, 183460), (2180, 91730), (2725, 73384), (4360, 45865), (5450, 36692), (9173, 21800), (10900, 18346)]