208020810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{6997}}^1$

素因数の和:7998

約数の個数: 32

約数和(自身を含む): 499825152

約数和(自身を除く): 291804342

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 991, 1982, 2973, 4955, 5946, 6997, 9910, 13994, 14865, 20991, 29730, 34985, 41982, 69970, 104955, 209910, 6934027, 13868054, 20802081, 34670135, 41604162, 69340270, 104010405, 208020810]

約数ペア:

[(1, 208020810), (2, 104010405), (3, 69340270), (5, 41604162), (6, 34670135), (10, 20802081), (15, 13868054), (30, 6934027), (991, 209910), (1982, 104955), (2973, 69970), (4955, 41982), (5946, 34985), (6997, 29730), (9910, 20991), (13994, 14865)]