208512290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{7283}}^1$

素因数の和:7706

約数の個数: 32

約数和(自身を含む): 430047360

約数和(自身を除く): 221535070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 2045, 2863, 4090, 5726, 7283, 14315, 14566, 28630, 36415, 50981, 72830, 101962, 254905, 509810, 2978747, 5957494, 14893735, 20851229, 29787470, 41702458, 104256145, 208512290]

約数ペア:

[(1, 208512290), (2, 104256145), (5, 41702458), (7, 29787470), (10, 20851229), (14, 14893735), (35, 5957494), (70, 2978747), (409, 509810), (818, 254905), (2045, 101962), (2863, 72830), (4090, 50981), (5726, 36415), (7283, 28630), (14315, 14566)]