223306280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{40163}}^1$

素因数の和:40313

約数の個数: 32

約数和(自身を含む): 506066400

約数和(自身を除く): 282760120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 40163, 80326, 160652, 200815, 321304, 401630, 803260, 1606520, 5582657, 11165314, 22330628, 27913285, 44661256, 55826570, 111653140, 223306280]

約数ペア:

[(1, 223306280), (2, 111653140), (4, 55826570), (5, 44661256), (8, 27913285), (10, 22330628), (20, 11165314), (40, 5582657), (139, 1606520), (278, 803260), (556, 401630), (695, 321304), (1112, 200815), (1390, 160652), (2780, 80326), (5560, 40163)]