205173920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{183191}}^1$

素因数の和:183213

約数の個数: 48

約数和(自身を含む): 553972608

約数和(自身を除く): 348798688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 183191, 366382, 732764, 915955, 1282337, 1465528, 1831910, 2564674, 2931056, 3663820, 5129348, 5862112, 6411685, 7327640, 10258696, 12823370, 14655280, 20517392, 25646740, 29310560, 41034784, 51293480, 102586960, 205173920]

約数ペア:

[(1, 205173920), (2, 102586960), (4, 51293480), (5, 41034784), (7, 29310560), (8, 25646740), (10, 20517392), (14, 14655280), (16, 12823370), (20, 10258696), (28, 7327640), (32, 6411685), (35, 5862112), (40, 5129348), (56, 3663820), (70, 2931056), (80, 2564674), (112, 1831910), (140, 1465528), (160, 1282337), (224, 915955), (280, 732764), (560, 366382), (1120, 183191)]