289803320

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{25601}}^1$

素因数の和:25895

約数の個数: 32

約数和(自身を含む): 654387120

約数和(自身を除く): 364583800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 25601, 51202, 102404, 128005, 204808, 256010, 512020, 1024040, 7245083, 14490166, 28980332, 36225415, 57960664, 72450830, 144901660, 289803320]

約数ペア:

[(1, 289803320), (2, 144901660), (4, 72450830), (5, 57960664), (8, 36225415), (10, 28980332), (20, 14490166), (40, 7245083), (283, 1024040), (566, 512020), (1132, 256010), (1415, 204808), (2264, 128005), (2830, 102404), (5660, 51202), (11320, 25601)]