78447860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{230729}}^1$

素因数の和:230755

約数の個数: 24

約数和(自身を含む): 174431880

約数和(自身を除く): 95984020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 230729, 461458, 922916, 1153645, 2307290, 3922393, 4614580, 7844786, 15689572, 19611965, 39223930, 78447860]

約数ペア:

[(1, 78447860), (2, 39223930), (4, 19611965), (5, 15689572), (10, 7844786), (17, 4614580), (20, 3922393), (34, 2307290), (68, 1153645), (85, 922916), (170, 461458), (340, 230729)]