75620020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1283}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 182060928

約数和(自身を除く): 106440908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1283, 1684, 2105, 2566, 2947, 4210, 5132, 5894, 6415, 8420, 8981, 11788, 12830, 14735, 17962, 25660, 29470, 35924, 44905, 58940, 89810, 179620, 540143, 1080286, 2160572, 2700715, 3781001, 5401430, 7562002, 10802860, 15124004, 18905005, 37810010, 75620020]

約数ペア:

[(1, 75620020), (2, 37810010), (4, 18905005), (5, 15124004), (7, 10802860), (10, 7562002), (14, 5401430), (20, 3781001), (28, 2700715), (35, 2160572), (70, 1080286), (140, 540143), (421, 179620), (842, 89810), (1283, 58940), (1684, 44905), (2105, 35924), (2566, 29470), (2947, 25660), (4210, 17962), (5132, 14735), (5894, 12830), (6415, 11788), (8420, 8981)]