210691940

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{49927}}^1$

素因数の和:50147

約数の個数: 24

約数和(自身を含む): 444558912

約数和(自身を除く): 233866972

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 49927, 99854, 199708, 249635, 499270, 998540, 10534597, 21069194, 42138388, 52672985, 105345970, 210691940]

約数ペア:

[(1, 210691940), (2, 105345970), (4, 52672985), (5, 42138388), (10, 21069194), (20, 10534597), (211, 998540), (422, 499270), (844, 249635), (1055, 199708), (2110, 99854), (4220, 49927)]