519890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1061}}^1$

素因数の和:1082

約数の個数: 24

約数和(自身を含む): 1089612

約数和(自身を除く): 569722

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1061, 2122, 5305, 7427, 10610, 14854, 37135, 51989, 74270, 103978, 259945, 519890]

約数ペア:

[(1, 519890), (2, 259945), (5, 103978), (7, 74270), (10, 51989), (14, 37135), (35, 14854), (49, 10610), (70, 7427), (98, 5305), (245, 2122), (490, 1061)]