201880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{103}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 533520

約数和(自身を除く): 331640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 103, 140, 196, 206, 245, 280, 392, 412, 490, 515, 721, 824, 980, 1030, 1442, 1960, 2060, 2884, 3605, 4120, 5047, 5768, 7210, 10094, 14420, 20188, 25235, 28840, 40376, 50470, 100940, 201880]

約数ペア:

[(1, 201880), (2, 100940), (4, 50470), (5, 40376), (7, 28840), (8, 25235), (10, 20188), (14, 14420), (20, 10094), (28, 7210), (35, 5768), (40, 5047), (49, 4120), (56, 3605), (70, 2884), (98, 2060), (103, 1960), (140, 1442), (196, 1030), (206, 980), (245, 824), (280, 721), (392, 515), (412, 490)]