203286740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 434551824

約数和(自身を除く): 231265084

約数列:

[1, 2, 4, 5, 10, 20, 101, 157, 202, 314, 404, 505, 628, 641, 785, 1010, 1282, 1570, 2020, 2564, 3140, 3205, 6410, 12820, 15857, 31714, 63428, 64741, 79285, 100637, 129482, 158570, 201274, 258964, 317140, 323705, 402548, 503185, 647410, 1006370, 1294820, 2012740, 10164337, 20328674, 40657348, 50821685, 101643370, 203286740]

約数ペア:

[(1, 203286740), (2, 101643370), (4, 50821685), (5, 40657348), (10, 20328674), (20, 10164337), (101, 2012740), (157, 1294820), (202, 1006370), (314, 647410), (404, 503185), (505, 402548), (628, 323705), (641, 317140), (785, 258964), (1010, 201274), (1282, 158570), (1570, 129482), (2020, 100637), (2564, 79285), (3140, 64741), (3205, 63428), (6410, 31714), (12820, 15857)]