205107490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{7307}}^1$

素因数の和:7722

約数の個数: 32

約数和(自身を含む): 423045504

約数和(自身を除く): 217938014

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 802, 2005, 2807, 4010, 5614, 7307, 14035, 14614, 28070, 36535, 51149, 73070, 102298, 255745, 511490, 2930107, 5860214, 14650535, 20510749, 29301070, 41021498, 102553745, 205107490]

約数ペア:

[(1, 205107490), (2, 102553745), (5, 41021498), (7, 29301070), (10, 20510749), (14, 14650535), (35, 5860214), (70, 2930107), (401, 511490), (802, 255745), (2005, 102298), (2807, 73070), (4010, 51149), (5614, 36535), (7307, 28070), (14035, 14614)]