89599820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{235789}}^1$

素因数の和:235817

約数の個数: 24

約数和(自身を含む): 198063600

約数和(自身を除く): 108463780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 235789, 471578, 943156, 1178945, 2357890, 4479991, 4715780, 8959982, 17919964, 22399955, 44799910, 89599820]

約数ペア:

[(1, 89599820), (2, 44799910), (4, 22399955), (5, 17919964), (10, 8959982), (19, 4715780), (20, 4479991), (38, 2357890), (76, 1178945), (95, 943156), (190, 471578), (380, 235789)]