218123080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{779011}}^1$

素因数の和:779029

約数の個数: 32

約数和(自身を含む): 560888640

約数和(自身を除く): 342765560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 779011, 1558022, 3116044, 3895055, 5453077, 6232088, 7790110, 10906154, 15580220, 21812308, 27265385, 31160440, 43624616, 54530770, 109061540, 218123080]

約数ペア:

[(1, 218123080), (2, 109061540), (4, 54530770), (5, 43624616), (7, 31160440), (8, 27265385), (10, 21812308), (14, 15580220), (20, 10906154), (28, 7790110), (35, 6232088), (40, 5453077), (56, 3895055), (70, 3116044), (140, 1558022), (280, 779011)]