545720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1949}}^1$

素因数の和:1967

約数の個数: 32

約数和(自身を含む): 1404000

約数和(自身を除く): 858280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1949, 3898, 7796, 9745, 13643, 15592, 19490, 27286, 38980, 54572, 68215, 77960, 109144, 136430, 272860, 545720]

約数ペア:

[(1, 545720), (2, 272860), (4, 136430), (5, 109144), (7, 77960), (8, 68215), (10, 54572), (14, 38980), (20, 27286), (28, 19490), (35, 15592), (40, 13643), (56, 9745), (70, 7796), (140, 3898), (280, 1949)]