12222980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7937}}^1$

素因数の和:7964

約数の個数: 48

約数和(自身を含む): 32006016

約数和(自身を除く): 19783036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 7937, 15874, 31748, 39685, 55559, 79370, 87307, 111118, 158740, 174614, 222236, 277795, 349228, 436535, 555590, 611149, 873070, 1111180, 1222298, 1746140, 2444596, 3055745, 6111490, 12222980]

約数ペア:

[(1, 12222980), (2, 6111490), (4, 3055745), (5, 2444596), (7, 1746140), (10, 1222298), (11, 1111180), (14, 873070), (20, 611149), (22, 555590), (28, 436535), (35, 349228), (44, 277795), (55, 222236), (70, 174614), (77, 158740), (110, 111118), (140, 87307), (154, 79370), (220, 55559), (308, 39685), (385, 31748), (770, 15874), (1540, 7937)]