208514420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{49411}}^1$

素因数の和:49631

約数の個数: 24

約数和(自身を含む): 439964448

約数和(自身を除く): 231450028

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 49411, 98822, 197644, 247055, 494110, 988220, 10425721, 20851442, 41702884, 52128605, 104257210, 208514420]

約数ペア:

[(1, 208514420), (2, 104257210), (4, 52128605), (5, 41702884), (10, 20851442), (20, 10425721), (211, 988220), (422, 494110), (844, 247055), (1055, 197644), (2110, 98822), (4220, 49411)]