133406420

素因数分解:

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

素因数の和:19477

約数の個数: 48

約数和(自身を含む): 326726400

約数和(自身を除く): 193319980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 19447, 38894, 77788, 97235, 136129, 194470, 272258, 388940, 544516, 680645, 952903, 1361290, 1905806, 2722580, 3811612, 4764515, 6670321, 9529030, 13340642, 19058060, 26681284, 33351605, 66703210, 133406420]

約数ペア:

[(1, 133406420), (2, 66703210), (4, 33351605), (5, 26681284), (7, 19058060), (10, 13340642), (14, 9529030), (20, 6670321), (28, 4764515), (35, 3811612), (49, 2722580), (70, 1905806), (98, 1361290), (140, 952903), (196, 680645), (245, 544516), (343, 388940), (490, 272258), (686, 194470), (980, 136129), (1372, 97235), (1715, 77788), (3430, 38894), (6860, 19447)]