220528

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:205

約数の個数: 40

約数和(自身を含む): 535680

約数和(自身を除く): 315152

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 179, 308, 358, 616, 716, 1232, 1253, 1432, 1969, 2506, 2864, 3938, 5012, 7876, 10024, 13783, 15752, 20048, 27566, 31504, 55132, 110264, 220528]

約数ペア:

[(1, 220528), (2, 110264), (4, 55132), (7, 31504), (8, 27566), (11, 20048), (14, 15752), (16, 13783), (22, 10024), (28, 7876), (44, 5012), (56, 3938), (77, 2864), (88, 2506), (112, 1969), (154, 1432), (176, 1253), (179, 1232), (308, 716), (358, 616)]