28803740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{727}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 69468672

約数和(自身を除く): 40664932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 727, 1132, 1415, 1454, 1981, 2830, 2908, 3635, 3962, 5089, 5660, 7270, 7924, 9905, 10178, 14540, 19810, 20356, 25445, 39620, 50890, 101780, 205741, 411482, 822964, 1028705, 1440187, 2057410, 2880374, 4114820, 5760748, 7200935, 14401870, 28803740]

約数ペア:

[(1, 28803740), (2, 14401870), (4, 7200935), (5, 5760748), (7, 4114820), (10, 2880374), (14, 2057410), (20, 1440187), (28, 1028705), (35, 822964), (70, 411482), (140, 205741), (283, 101780), (566, 50890), (727, 39620), (1132, 25445), (1415, 20356), (1454, 19810), (1981, 14540), (2830, 10178), (2908, 9905), (3635, 7924), (3962, 7270), (5089, 5660)]