206768980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19997}}^1$

素因数の和:20064

約数の個数: 48

約数和(自身を含む): 483791616

約数和(自身を除く): 277022636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 19997, 39994, 79988, 99985, 199970, 219967, 399940, 439934, 879868, 939859, 1099835, 1879718, 2199670, 3759436, 4399340, 4699295, 9398590, 10338449, 18797180, 20676898, 41353796, 51692245, 103384490, 206768980]

約数ペア:

[(1, 206768980), (2, 103384490), (4, 51692245), (5, 41353796), (10, 20676898), (11, 18797180), (20, 10338449), (22, 9398590), (44, 4699295), (47, 4399340), (55, 3759436), (94, 2199670), (110, 1879718), (188, 1099835), (220, 939859), (235, 879868), (470, 439934), (517, 399940), (940, 219967), (1034, 199970), (2068, 99985), (2585, 79988), (5170, 39994), (10340, 19997)]