199040500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{5039}}^1$

素因数の和:5137

約数の個数: 48

約数和(自身を含む): 440294400

約数和(自身を除く): 241253900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 790, 1580, 1975, 3950, 5039, 7900, 9875, 10078, 19750, 20156, 25195, 39500, 50390, 100780, 125975, 251950, 398081, 503900, 629875, 796162, 1259750, 1592324, 1990405, 2519500, 3980810, 7961620, 9952025, 19904050, 39808100, 49760125, 99520250, 199040500]

約数ペア:

[(1, 199040500), (2, 99520250), (4, 49760125), (5, 39808100), (10, 19904050), (20, 9952025), (25, 7961620), (50, 3980810), (79, 2519500), (100, 1990405), (125, 1592324), (158, 1259750), (250, 796162), (316, 629875), (395, 503900), (500, 398081), (790, 251950), (1580, 125975), (1975, 100780), (3950, 50390), (5039, 39500), (7900, 25195), (9875, 20156), (10078, 19750)]