129043820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{339589}}^1$

素因数の和:339617

約数の個数: 24

約数和(自身を含む): 285255600

約数和(自身を除く): 156211780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 339589, 679178, 1358356, 1697945, 3395890, 6452191, 6791780, 12904382, 25808764, 32260955, 64521910, 129043820]

約数ペア:

[(1, 129043820), (2, 64521910), (4, 32260955), (5, 25808764), (10, 12904382), (19, 6791780), (20, 6452191), (38, 3395890), (76, 1697945), (95, 1358356), (190, 679178), (380, 339589)]