204406256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1321}}^1$

素因数の和:1857

約数の個数: 40

約数和(自身を含む): 418016400

約数和(自身を除く): 213610144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 509, 1018, 1321, 2036, 2642, 4072, 5284, 8144, 9671, 10568, 19342, 21136, 25099, 38684, 50198, 77368, 100396, 154736, 200792, 401584, 672389, 1344778, 2689556, 5379112, 10758224, 12775391, 25550782, 51101564, 102203128, 204406256]

約数ペア:

[(1, 204406256), (2, 102203128), (4, 51101564), (8, 25550782), (16, 12775391), (19, 10758224), (38, 5379112), (76, 2689556), (152, 1344778), (304, 672389), (509, 401584), (1018, 200792), (1321, 154736), (2036, 100396), (2642, 77368), (4072, 50198), (5284, 38684), (8144, 25099), (9671, 21136), (10568, 19342)]