66703210

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19447}}^1$

素因数の和:19475

約数の個数: 32

約数和(自身を含む): 140025600

約数和(自身を除く): 73322390

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 19447, 38894, 97235, 136129, 194470, 272258, 680645, 952903, 1361290, 1905806, 4764515, 6670321, 9529030, 13340642, 33351605, 66703210]

約数ペア:

[(1, 66703210), (2, 33351605), (5, 13340642), (7, 9529030), (10, 6670321), (14, 4764515), (35, 1905806), (49, 1361290), (70, 952903), (98, 680645), (245, 272258), (343, 194470), (490, 136129), (686, 97235), (1715, 38894), (3430, 19447)]