769720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2749}}^1$

素因数の和:2767

約数の個数: 32

約数和(自身を含む): 1980000

約数和(自身を除く): 1210280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2749, 5498, 10996, 13745, 19243, 21992, 27490, 38486, 54980, 76972, 96215, 109960, 153944, 192430, 384860, 769720]

約数ペア:

[(1, 769720), (2, 384860), (4, 192430), (5, 153944), (7, 109960), (8, 96215), (10, 76972), (14, 54980), (20, 38486), (28, 27490), (35, 21992), (40, 19243), (56, 13745), (70, 10996), (140, 5498), (280, 2749)]