2500742020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{244691}}^1$

素因数の和:244780

約数の個数: 48

約数和(自身を含む): 6084021888

約数和(自身を除く): 3583279868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 244691, 489382, 978764, 1223455, 1712837, 2446910, 3425674, 4893820, 6851348, 8564185, 17128370, 17862443, 34256740, 35724886, 71449772, 89312215, 125037101, 178624430, 250074202, 357248860, 500148404, 625185505, 1250371010, 2500742020]

約数ペア:

[(1, 2500742020), (2, 1250371010), (4, 625185505), (5, 500148404), (7, 357248860), (10, 250074202), (14, 178624430), (20, 125037101), (28, 89312215), (35, 71449772), (70, 35724886), (73, 34256740), (140, 17862443), (146, 17128370), (292, 8564185), (365, 6851348), (511, 4893820), (730, 3425674), (1022, 2446910), (1460, 1712837), (2044, 1223455), (2555, 978764), (5110, 489382), (10220, 244691)]