51990470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{106103}}^1$

素因数の和:106124

約数の個数: 24

約数和(自身を含む): 108862704

約数和(自身を除く): 56872234

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 106103, 212206, 530515, 742721, 1061030, 1485442, 3713605, 5199047, 7427210, 10398094, 25995235, 51990470]

約数ペア:

[(1, 51990470), (2, 25995235), (5, 10398094), (7, 7427210), (10, 5199047), (14, 3713605), (35, 1485442), (49, 1061030), (70, 742721), (98, 530515), (245, 212206), (490, 106103)]