669820

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 1424304

約数和(自身を除く): 754484

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 313, 428, 535, 626, 1070, 1252, 1565, 2140, 3130, 6260, 33491, 66982, 133964, 167455, 334910, 669820]

約数ペア:

[(1, 669820), (2, 334910), (4, 167455), (5, 133964), (10, 66982), (20, 33491), (107, 6260), (214, 3130), (313, 2140), (428, 1565), (535, 1252), (626, 1070)]