189856870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{387463}}^1$

素因数の和:387484

約数の個数: 24

約数和(自身を含む): 397538064

約数和(自身を除く): 207681194

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 387463, 774926, 1937315, 2712241, 3874630, 5424482, 13561205, 18985687, 27122410, 37971374, 94928435, 189856870]

約数ペア:

[(1, 189856870), (2, 94928435), (5, 37971374), (7, 27122410), (10, 18985687), (14, 13561205), (35, 5424482), (49, 3874630), (70, 2712241), (98, 1937315), (245, 774926), (490, 387463)]